In the U.K., voters delivered big losses to the ruling Conservative party yesterday. This weekend, voters in both France and Greece will go to the polls and the expectation is that they'll be in a bit of an anti-austerity mood. Are 401(k)s really the right ticket to a happy retirement? The movie "The Avengers" opens in the U.S. today -- but it has already brought in more than $250 million around the world. And tomorrow is the 138th Kentucky Derby. Horse raising is a multi-billion dollar business, and a growing percentage of that money is being spent on cutting-edge veterinary care.