If you are worried about Trump, you will be happy to read a column by Nate Silver. He says, "Trump is not very popular with general election voters. On the contrary, he’s extremely unpopular with independents and would begin the general election race with worse favorability ratings than any candidate to receive a major-party nomination before." See here. Silver has an intriguing analysis of the difficulties influential Republicans face in stopping him and the implications of a Trump nomination for the Republican Party.