Weekly Roundup: Thursday, June 7 President Trump prepares for a summit with North Korea's Kim Jong Un while heading to Canada to defend his trade tactics to the G-7 allies. Republicans try to reach an agreement for an internal debate over immigration. And Trump cancels a meeting with the NFL. This episode: political reporter Asma Khalid, White House reporter Ayesha Rascoe, national political correspondent Mara Liasson, Congressional correspondent Susan Davis and editor and correspondent Ron Elving. Email the show at firstname.lastname@example.org. Find and support your local public radio station at npr.org/stations.