Trump looking to build relations among U.S. lawmakers

By Susan Cornwell and Doina Chiacu WASHINGTON (Reuters) - As Republican front-runner Donald Trump takes steps to build out his relationship in Washington as part of a final push to win the presidential nomination, his campaign continues to be lightning rod for many opponents incensed by his stand on immigration. On Thursday morning Trump's campaign has arranged a meeting on Capitol Hill including about a dozen U.S. lawmakers, some of whom have endorsed Trump and some of whom are interested in hi