U.S. Senate candidate J.D. Vance appeared to ponder whether former President Donald Trump is similar to Adolf Hitler in a newly surfaced Facebook message from 2016.Screenshots provided to USA TODAY Network Ohio show Vance discussing Trump's 2016 presidential election bid with Josh McLaurin, a Georgia state representative who said he lived with Vance for a year during their time at Yale Law School. McLaurin reached out in February 2016 to ask his former roommate about the state of the GOP."I go back and forth between thinking Trump is a cynical asshole like Nixon who wouldn't be that bad (and might...