Less than three months before the kickoff Iowa caucuses, there is growing anxiety bordering on panic among Republican elites about the dominance and durability of Donald Trump and Ben Carson and widespread bewilderment over how to defeat them.
Party leaders and donors fear that nominating either man would have negative ramifications for the GOP ticket up and down the ballot, virtually ensuring a Hillary Rodham Clinton presidency and increasing the odds that the Senate falls into Democratic hands.
18:04 With his presidency off course, Trump confronts the lessons of the health-care debacle19
01:52 Mayor de Blasio says GOP health care failure demonstrates Trump can be defeated17
14:41 Douglas Carswell: The political maverick19
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