Is Jeb Bush secretly preparing to support the presidential candidacy of Hillary Clinton if Donald Trump wins the Republican nomination? According to a report in Politico, Bush may go rogue and issue a public statement announcing his refusal to back the GOP front-runner if Trump is the eventual nominee. According to two sources close to the Bush campaign, senior aides are now examining whether such a statement by Bush would disqualify him from certain state primary ballots, some of which demand candidates sign a loyalty pledge declaring that they will support the eventual Republican Party nominee, reports Politico. Trump responded...