Alex Crippen is senior coordinating producer at CNBC.com. He started with CNBC television in 1990. Crippen began his media career in affiliate TV and news radio. He holds a degree in economics from Wesleyan University.
Go big or go home seems to be Warren Buffett's mantra when it comes to philanthropy.
Warren Buffett has moved ahead of Mexico's Carlos Slim on the Forbes ranking of billionaires, thanks to big gains for Berkshire shares.
Buffett's donation to a Clinton presidential run isn't as big a departure from his anti-PAC principles as it appears.
Warren Buffett has been vocal in his support for Detroit as it tries to recover from bankruptcy, and he's backing it up.