Will this be Ben Carson's excuse to pull out of the presidential race?

He has been dropping in the polls like a stone – he gets barely a mention anymore when people talk about serious contenders.

One of his campaign staff was injured in an accident in Iowa today. Carson is rushing to the person’s aid.

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The cynic in me says that Carson has been looking for a way to bow out of the race gracefully. My guess is that now he has an excuse to do so.

What do you think?