Looks like there's a pattern here . . .
There was this:
McCain, Romney acrimony dates back to the Olympics
And now this:
A contentious relationship between Mr. McCain, Republican of Arizona, and Mr. Obama, Democrat of Illinois, has been percolating on Capitol Hill for more than two years.
Mr. McCain seems to have a talent for getting on people's bad side (and then having to compete against them later for a job).