Glenn Greenwald on the High Cost of Government Secrecy

The violent Boston rampage triggered a local and federal response that, according to journalist Glenn Greenwald, adds a new dimension to troubling questions about government secrecy, overreach, and what we sacrifice in the name of national security. Greenwald joins Bill to peel back layers that reveal what the Boston bombings and drone attacks have in common, and how secrecy leads to abuse of government power.