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Donald Trump won’t win election without Republican support, Mark Halperin says

02:32

Bloomberg Politics’ Mark Halperin says that Donald Trump’s main strategy is to rally Republicans behind him in the fallout of his 2005 video scandal, but adds that Speaker Paul Ryan is likely to repudiate Trump “even more than he already did.” Political analyst Nicolle Wallace says Trump is going “back to basics,” recalling when he “obliterated sixteen largely establishment figures” during the primaries.