When Sen. Ted Cruz of Texas declared his candidacy for the 2016 presidential election last Monday, he became the first to do so officially. Here is a look at what he will need to do if he hopes to win. The coalition To win the Republican nomination, Cruz will have to bring together the party’s anti-establishment wing, which is made of separate but overlapping voter blocs, including Christian conservatives, libertarians and Tea Party voters angry with the leadership of both parties. His ultimate goal is to get into a one-on-one campaign against whoever emerges as the favorite of establishment Republicans....