Weekly News Roundup: Here's Your Proof of Evolution

• Happy Friday! Half the world's population could face a global-warming-induced food crisis by 2100, according to a new study. • And then there's the floods... • Need proof that evolution's more than just a "theory"? Look no further. • The fruit flies are back! And this time, it's not just Palin dissing them. • "Dear Obama: Please bring me cap and trade legislation this year." A wish list from environmentalists. • The U.S. isn't the only tech sector getting slammed by the downturn. • And now for a lesson in brutal honesty: How much does racism really bother you?