Thirty Republican former members of Congress have signed an open letter rejecting the party’s nominee, writing, “We may differ on how we will cast our ballots in November but none of us will vote for Donald Trump.” The blistering critique, published almost exactly one month before the Nov. 8 election, says: “Our party’s nominee this year is a man who makes a mockery of the principles and values we have cherished and which we sought to represent in Congress.” Signatories to the letter include former swing state representatives Bill Clinger (Penn.), Jim Leach (Iowa), Tom Petri (Wis.) and G.