Congressman Dennis Kucinich (D-Ohio) has submitted a resolution, HR 333, to impeach VP Dick Cheney on charges of "high crimes and misdemeanors." The charges were submitted on 24 April 2007. Congressman Kucinich has posted his supporting documents
online, including a brief summary of the impeachment procedure
(PDF), a synopsis
(PDF), and the full text
(PDF) of the impeachment resolution.