Trump's moves on immigration roil midterm campaign for both parties

President Donald Trump's vows to end birthright citizenship and dispatch a growing number of troops to the border have scrambled the final days of the midterm campaign for both parties - repelling moderate House Republicans in swing districts but prompting some red-state Senate Democrats to align themselves with Trump's hard-line stances.Those shifting alliances reflect how much Trump - while his party would like to focus on the economy and Democrats want the on spotlight health care - has dicta