3:39 PM ET Jessica Taylor Twitter i Republican presidential candidate Dr. Ben Carson speaks during a town hall meeting in Ankeny, Iowa. Charlie Neibergall/AP hide caption itoggle caption Charlie Neibergall/AP Republican presidential candidate Dr. Ben Carson speaks during a town hall meeting in Ankeny, Iowa. Charlie Neibergall/AP Republican presidential candidates have remained firmly opposed to more gun control measures in the wake of last week's tragic shooting at an Oregon community college. Instead, most are urging a renewed focus on mental health with a caution not to react too quickly before all the facts are known — but some of them have reacted inartfully at best. Neurosurgeon Ben...
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