Trump to take 'optimistic' message to voters, new manager says

By John Whitesides and Susan Heavey WASHINGTON (Reuters) - Donald Trump's new campaign manager promised on Thursday the volatile Republican presidential candidate would stick to a more disciplined and uplifting message to voters in the final dash to Election Day without crimping his freewheeling style. One day after being elevated to the position in Trump's second campaign overhaul in two months, Kellyanne Conway said the candidate's struggling White House bid could preserve his "authenticity" a