Automakers concerned that Obama's decision to allow stricter emissions standards will harm business. Joe Biden says he doesn't see himself as " deputy president." Thanks for the clarification, Joe. Limbaugh responds to Obama. Citigroup takes bailout money, buys $50 million corporate jet. Nancy Pelosi doesn't want to send Gitmo detainees to Alcatraz. Kentucky Senate rematch in 2010. Sebastian Mallaby writes that China's manipulation of its currency " is arguably the most important cause of the financial crisis."