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The U.S. Supreme Court returns on Wednesday to the emotional issue of affirmative action in higher education. The court will once again hear oral arguments on the issue, this time in a case from the University of Texas.

Over the past 35 years, the court has twice ruled that race may be one of many factors in determining college admissions, as long as there are no racial quotas. Now, just nine years after its last decision, the justices seem poised to outright reverse or cut back on the previous rulings.

My first protocol on rooting in sports is that you should stick with the teams that you grew up with. I know we're a transient society, but that's just it: Continuing to cheer for your original hometown teams is one way of displaying the old-fashioned value of allegiance.

If you grew up in Cleveland, say, and moved somewhere Sun Belt-ish, I know how hard it is, but the measure of whether you are a good person is that you must remain loyal to the Browns and Indians and that team that LeBron James left behind.

You wouldn't be surprised to learn that a laboratory run by the U.S. Department of Commerce is working on more precise methods to measure stuff.

However, you might not expect it to be at the cutting edge of the mind-bending world of quantum physics. But on Tuesday, David Wineland became the fourth employee at the National Institute for Standards and Technology, a federal lab, to win a Nobel since 1997. Wineland learned he will share the Nobel Prize in physics with Frenchman Serge Haroche for work that's both esoteric and practical.

David Wineland is the American half of the scientific duo celebrating the award of the Nobel Prize in Physics today.

Wineland and French scientist Serge Haroche developed new ways for scientists to observe individual quantum particles without damaging them. This may not sound so impressive, but the work opens a world of possibilities— including the development of a quantum computer and super-precise clock.

But who needs a better clock? Don't we have pretty good ones already?

The U.S. government filed a lawsuit against Wells Fargo & Co., today, saying the bank was reckless when it issued federally guaranteed mortgages.

Bloomberg reports:

Thousands of Coptic Christians marched through central Cairo on Tuesday to demand justice for the more than two dozen Copts who were killed a year ago when army units moved in to stop their protest.

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German Chancellor Angela Merkel flew to Greece today. It was her first visit since the eurozone debt crisis began. For Merkel, the six-hour trip was a goodwill gesture toward a country that she has long criticized. There to greet her were thousands of Greeks protesting a woman they associate with pain and disrespect.

Joanna Kakissis reports from Athens.

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Tomorrow, the Supreme Court will hear arguments in a landmark case about race and college admissions. In 2008, a white student named Abigail Fisher sued the University of Texas in Austin. Ms. Fisher claimed she was denied admission to UT because of her race.