NEW YORK TIMES: …In interviews, Republican leaders and strategists said that rather than having a presumptive nominee by early 2016, who could turn to the tasks of raising money and making the case against the Democratic candidates, it was doubtful that a candidate would be in place before late spring — or even before Republicans gather for their convention in Cleveland in July…
In the starkest sign of how unsettled the situation is, what once seemed unthinkable — that Mr. Trump could win the Republican nomination — is being treated by many within the Republican establishment as a serious possibility. And one reason his candidacy seems strong is a change by the party in hopes of ending the process earlier: making it possible for states to hold contests in which the winner receives all the delegates, rather than a share based on the vote, starting March 15, two weeks earlier than in the last cycle. Ten states have said they will do so.
If Mr. Trump draws one-third of the Republican primary vote, as recent polls suggest he will, that could be enough to win in a crowded field. After March 15, he could begin amassing all the delegates in a given state even if he carried it with only a third of the vote. And the later it gets, the harder it becomes for a lead in delegates to be overcome, with fewer state contests remaining in which trailing candidates can attempt comebacks… (more)