A former top adviser to Donald Trump’s campaign says he expects Trump will sign a pledge not to run as an independent should he fail to secure the Republican presidential nomination. Roger Stone, a former top adviser to Trump’s campaign, said on C-SPAN on Thursday morning that Trump no longer has a reason to hold out over the threat to run as a third-party candidate. “The truth is, Trump got what he wants, he’s given up nothing and he’s a strong front-runner for the Republican nomination,” Stone said. “I expect that he will sign the pledge today”/The Hill. More here.