Trump Campaign Overhaul

Donald J. Trump has shaken up his presidential campaign for the second time in two months, hiring a top executive from the conservative website Breitbart News and promoting a senior adviser in an effort to right his faltering campaign.

Donald Trump's campaign is undergoing a major staff shake-up with less than three months to Election Day, adding two officials to top posts overseeing his struggling campaign and signaling a shift in campaign leadership toward a more aggressive style willing to go scorched earth in order to win.