Poor Donald Trump. He really, really wants to leave behind his brash, vulgar, sexist and bigoted comments and be seen as presidential. Trump told reporters as much last week, noting how easily he can pivot to be more presidential. "I'm very capable of changing to anything I want to change to," he said. He also vowed to "never" use "foul language" again on the campaign trail. What has brought on this sudden change of heart? Apparently Trump, much like countless past presidential candidates before him, wants to begin pivoting from more partisan positions in the primary to more moderate ones...