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If you've ever had a painful sinus infection, all you want is relief — fast!

So off to the doctor you go, and, as often as not, you get a prescription for an antibiotic.

Three days later, you start to feel a little better. "Thank goodness for amoxicillin!" you might say. Well, probably not quite like that, unless you're a nerdy health blogger, but you'd be saying something nice about getting a prescription from your doctor.

Melissa Block speaks with Eric Heginbotham — senior political scientist at RAND — about China's military capability today, how it's developed over time and what the Chinese make of ramped-up attention from the US.

The Egyptian government has further escalated tensions with Washington by accusing U.S. officials of directly funding nonprofit groups to create chaos in the Arab country.

The latest comments were made by an Egyptian Cabinet member to prosecutors conducting a criminal probe into the activities of 43 aid workers, many of them American.

Such claims anger U.S. officials, who have threatened to hold back more than $1 billion in military aid if the crackdown on private, pro-democracy organizations doesn't end.

It's predictable, and hokey, to bring up chocolate and romance in one Valentine's Day post, but hang on — this is fascinating.

A study suggests that your preferences in chocolate may help explain how you pick out or judge potential romantic partners.

No, it's not that people who love dark chocolate are simpatico with others who love dark chocolate. That would be far too pat.

Sometimes I wonder: Do the members of young indie-rock bands know that they're walking stereotypes? There's the scruffy dude who's obsessed with everything vintage and analog, the Pavement-worshiping, whiny-voiced lead singer, the rhythm section that knows its way around every oddity recorded by The Kinks. That's pretty much how I pegged the Philadelphia sextet Dr.

Are doctors really clueless on how much sleep children need?

That was the provocative premise of a study we reported on yesterday.

It sparked a lot of attention from parents like me, who were left wondering where pediatricians come up those recommendations for hours of nightly sleep.

In just a few weeks, most of the United States will shift back to daylight saving time — and Americans will lose an hour of sleep but gain an extra hour of light in the evening.

That won't be happening in Russia, though, where President Dmitry Medvedev has put the country on permanent summer time.

Medvedev's decree, issued last fall, means that it doesn't get light in Moscow now until around 9 a.m. Back in January, it was dark until 10 in the morning.

This has become an issue in Russia's presidential election next month.

At the White House on Tuesday, President Obama greeted China's Vice President Xi Jinping and called for cooperation between the two nations.

Later in the day, the Chinese vice president crossed the Potomac to visit the Pentagon, where the U-S military may hope for cooperation, but has to plan for possible confrontation.

The Pentagon's new budget request, unveiled Monday, signals a shift for the US military, with a greater focus on the Pacific.

China is building more ships and aircraft, and is now patrolling hundreds of miles out into the Pacific.

If you live in the Northeast, this has been a wacky winter: It has been deathly cold in Eastern Europe, as flowers bloom in New York City and temperatures rise to the high 40s and even 50s.

I went in search of flowers in bloom and was not disappointed. There were bushes of red camellias, and gorgeous yellow flowering Adonis. Kristin Schleiter is the acting director of outdoor gardens at the New York Botanical Garden. She took me to an outdoor test garden.

Kabul's fourth snowstorm in the past month brought children out to play across the city, including those in the Charahi Qambar refugee camp in the western part of the capital.

Many of the children in the camp don't remember any other life outside of this mud-brick shantytown. Most of their parents fled the southern province of Helmand when the war heated up there four years ago.

The dispute over Iran's nuclear program has again rocked oil markets. And Iran is threatening to close the Strait of Hormuz, which is just 34 miles wide yet serves as the passageway for 20 percent of the world's oil.

This is not a new drama. In fact, it was a recurring issue in the 1980s. Still, there's been relatively little activity among Gulf oil producers to find alternative routes to get their oil to market.

The Westminster Kennel Club dog show is under way, and that means dogs are being pampered, brushed and cajoled to walk before the event's judges. First held in 1877, the Westminster show claims to be second only to the Kentucky Derby in terms of continuously held sporting events.

Mitt Romney, self-proclaimed "son of Detroit," appears to be in serious trouble in Michigan, falling behind to rival Republican presidential candidate Rick Santorum in new polls.

Despite that, he's standing firm on his position that the Obama administration should have allowed two iconic car companies — GM and Chrysler — to enter the regular corporate bankruptcy process three years ago.

Canadian singer-songwriter Kathleen Edwards is enjoying a huge career boost with her new fourth album, Voyageur. Produced in part by Justin Vernon of Bon Iver, Voyageur sounds deeply personal and genuine: Edwards sings of failed marriages, life in the spotlight and the delicate happiness that comes with new beginnings.

Chances are you've seen a YouTube video featuring _______ (fill in a celebrity's name) telling America's gay teens that "it gets better."

There are a slew of them promising that the bullying will eventually subside and that life will improve, if teens can just hang in there.

A coalition of fans and five U.S. senators are urging the Federal Communications Commission to scrap its so called Sports Blackout Rule. The policy allows the NFL to block local broadcasts of games that don't sell out.

The rule has been in place since 1975, and the Sports Fan Coalition says it is outdated and "fan-unfriendly."

Broadcasting & Cable reports on the filing, which was entered with the FCC on Monday:

Prices for gasoline are hitting record highs in France, where a gallon now costs more than $8 in some areas. That's the word from Eleanor Beardsley, who filed a report for our Newscast unit:

"Prices are up because of problems with two of France's main oil suppliers. Nigeria is racked by civil unrest, and European Union sanctions bar France from importing oil from Iran."

"A lower euro has also raised the price of gasoline because crude oil prices are denominated in dollars."

If you believe the Uzbek government, today is not a day for love and friendship. Nope.

It is a day to celebrate the Moghul emperor Babur, who celebrates his birthday on Feb. 14. Now this hasn't always been case in the Central Asian country. The BBC reports that in years past, lovers celebrated Valentine's Day by listening to the songs of Rayhan, "a popular singer whose music mixes Eastern melodies with Western pop."