Vice President Dick Cheney is expected to retire within a year. Wait. Let's just let that statement flow over us like warm milk and cookies, sunshine and honey, sugar and spice and everything nice........... ok. Senior GOP sources predict the retirement of Mr. Cheney in 2007, several months after the congressional elections. The sources said Mr. Cheney would be persuaded to step down as he becomes an increasing political liability to Mr. Bush. Can someone be a liability to another liability? The sources reported a growing rift between the president and vice president as well as their staffs. They cited Mr. Cheney's failure to immediately tell the president of the "accidental" shooting of the vice president's hunting colleague earlier this month. The White House didn't learn of the incident until 18 hours later. (yeah right) Mr. Cheney's next crisis could take place by the end of the year, the sources said. They said the White House was expecting Mr. Che...