The Republican Party is in disarray over national security, a key issue of the 2016 election.
The rise of Islamic State and, in particular, the November attacks in Paris and in San Bernardino, Calif., cemented national security and the threat from terrorism at the fore of the presidential campaign. Although the GOP for decades drew higher public approval ratings on national security matters, Republicans are struggling to define a coherent, cohesive policy vision at the leadership level.
The above excerpt was originally published in The Wall Street Journal.
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