WASHINGTON — U.S. President Donald Trump said he’s dropping — for now — his push to deploy National Guard troops in Chicago, Los Angeles and Portland, Oregon, a move that comes after legal roadblocks held up the effort. “We will come back, perhaps in a much different and stronger form, when crime begins to soar again - Only a question of time!" he said in a social media post Wednesday. Governors typically control states' National Guardsmen, and Trump had deployed troops to all three cities against the wishes of state and local Democratic leaders. He said it was necessary as part of a broader crackdown on immigration, crime and protests. The president has made a crackdown on crime in cities a centerpiece of his second term — and has toyed with the idea of invoking the Insurrection Act to stop his opponents from using the courts to block his plans. He has said he sees his tough-on-crime approach as a winning political issue ahead of next year’s midterm elections. Troops had already left Los Angeles after the president deployed them earlier this year as part of a broader crack