we start with president trump facing big questions on two major policy fronts. the president has called off a major deportation operation across the country on the heels of scrapping a military strike on iran. nbc news's ron allen has more. >> reporter: president trump is back at the white house from briefings at camp david after two dramatic policy reversals. demanding democrats negotiate a border deal in two weeks. or thousands of up documented migrants will be rounded up and deported. >> we want to end the days where we -- where people believe they can come in to the country and make a claim of asylum and then be released into the country on their own recognizance only to vanish into the nation. >> democrats are pushing back. house speaker pelosi said time is needed for comprehensive immigration reform. disturbing reports from the border emerge about conditions