Clinton's campaign manager, Patti Solis Doyle, left the position today, to be replaced by Clinton's former top White House aide, Maggie Williams. The change formalizes a shift in the campaign's power structure that began to set in after Clinton's win in New Hampshire, I've obtained a copy of Solis Doyle's email to the campaign's staff, sent about 15 minute ago: Over a year ago Hillary launched her campaign for President. Her announcement began a historic effort that has inspired millions and brought hundreds of thousands to their feet all across this nation. I have been proud to manage this campaign,...