Later today Representative Jerrold Nadler (D-NY), Chairman of the House Judiciary Subcommittee on the Constitution, Civil Rights and Civil Liberties, will hold the first in a series of oversight hearings titled, “The Constitution in Crisis: The State of Civil Liberties in America,” delving into such issues as the NSA’s domestic wiretapping program. Earlier this week we caught up with Congressman Nadler (he’s TPM’s congressman, after all), and in today’s episode of TPMtv we talk with him about warrantless wiretapping, the politicization of the Justice Department, and that dusty old constitutional concept known as congressional oversight …