Trump softens immigration stance, takes measured tone in speech

By Steve Holland and Jeff MasonWASHINGTON (Reuters) - President Donald Trump told Congress on Tuesday he was open to immigration reform, shifting from his harsh rhetoric on illegal immigration in a speech that offered a more restrained tone than his election campaign and first month in the White House.The president's speech was long on promises but short on specifics on how to achieve a challenging legislative agenda that could add dramatically to budget deficits.Trump built a base of support be