The whole incident was a PR nightmare for McCain, rivaled only by the shenanigans of his own running mate.
I imagine with James Caan around there were plenty of shenanigans on set.
“It shows the power of exposing these kind of shenanigans, which are so irresponsible,” he said.
1855, of uncertain origin. Earliest records of it are in San Francisco and Sacramento, California, U.S. Suggestions include Spanish chanada, a shortened form of charranada "trick, deceit;" or, less likely, German Schenigelei, peddler's argot for "work, craft," or the related German slang verb schinäglen. Another guess centers on Irish sionnach "fox."
[ultimately probably fr Yiddish shlim mazel, ''rotten luck,'' hence ''a difficulty or misfortune,'' and related to shlemazel]