Money Takeout: Yelp walked away from an acquisition deal from Google worth more than $500 million… why? John Abell, of Wired.com, joins us to put the story in context.

Environment Takeout: Sen. Diane Feinstein (D-Calif.) is looking to make more than a million acres of the Mojave Desert into a national monument. Daniel Stone of Newsweek explains why this ambitious environmental effort might get government approval.

Sports Takeout: After a brief discussion of the Redskins’ trouncing at the Giants’ hands last night, Ibrahim Abdul-Matin kicks off our series on the ten most memorable sports stories of 2009 with the fastest man alive, Usain Bolt. Watch him run!