Can you predict who will be the winning candidate from social media? Maybe not, but it's a fact that where the Republican candidates for the White House are concerned, their online profiles are already in order of position, but be quick - things can change very quickly...   DONALD TRUMP Donald Trump has practically won already. He changes his cover photo depending on what state he's in, it's always glitzy and triumphant, and the word WIN is always in there. A different Facebook cover photo for every city too, while his profile picture stays the...