— Terrorism has emerged as the top concern among Republican primary voters, and Donald Trump is seen as the candidate best equipped to combat it. This is the main reason Trump has popped in the polls since his call last week for a temporary ban on Muslim immigration into the United States. A fresh Washington Post-ABC News poll finds that 38 percent of Republicans name terrorism as the single most important issue, compared with 29 percent who name the economy and just 6 percent who highlight immigration. “Asked to choose which candidate among the top five they would trust most...