Judging by this quote, I think John Kerry really wants Cheney to stay on the Repbulican ticket. This is from CNN.
"Democratic presidential candidate John Kerry said Thursday that if Bush replaces Cheney, it will be the latest in a string of broken promises.
"It will mean that the president's word once again doesn't mean anything, that he himself is the flip-flopper of all flip-floppers because he's been touting how important Dick Cheney is," Kerry told broadcaster Don Imus. "The fact is that George Bush would be declaring an act of desperation, a sudden move that goes contrary to everything he's said'>http://www.cnn.com/2004/ALLPOLITICS/07/15/cheney.ap/index.html">said.""