Jeb Bush's presidential campaign has publicly attacked Donald Trump, but it has privately targeted Carly Fiorina. April Ponnuru, a top policy adviser to Florida's former governor, sent an email received by the Washington Examiner that highlights Fiorina's past support for healthcare mandates akin to Obamacare's controversial individual mandate. "As recently as 2013, Carly Fiorina supported Obamacare's most hated feature: the individual mandate," Ponnuru wrote. "She spoke out for making Americans buy insurance policies that meet the specifications of Washington, D.C., or pay a fine to the federal government." Her email included a hyperlink to a video of Fiorina and she...