James Clapper must go
When introducing James Clapper as his Director of National Intelligence in 2010, President Obama specifically justified the appointment by saying Clapper is someone who "understands the importance of working with our partners in Congress (and) not merely to appear when summoned, but to keep Congress informed." At the time, it seemed like a wholly uncontroversial statement - it was simply a president making a sacrosanct promise to keep the legislative branch informed, with the insinuation that previous administrations hadn't.
Three years later, of course, James Clapper is now the embodiment of perjury before Congress. Indeed, when you couple Edward Snowden's disclosures with this video of Clapper's Senate testimony denying that the National Security Administration collects "any type of data on millions (of Americans)," Clapper has become American history's most explicit and verifiable example of an executive branch deliberately lying to the legislative branch that is supposed to be overseeing it.