Mrs. Palin could amplify the news media-circus aspects of Mr. Trump’s candidacy: She too is a reality television star accustomed to playing to the cameras and often accused of emphasizing flash over substance.
And while Mr. Trump has already shown the ability to garner wall-to-wall cable-news coverage, Mrs. Palin’s involvement in his campaign could help him deprive Mr. Cruz of attention in the homestretch to the caucuses