as 2020 rivals say he's backtracking on his key policy. >> i wrote the damn bill. >> is the 2020 hopeful just playing smart politics? presidential candidate bernie sanders joins me next. plus, restoring civility. a year after senator john mccain's death, is washington the same place that he left it or has the late statesman of the republican party left for good? i will speak to cindy mccain about her husband's legacy in moments. hello there, i'm brianna keilar for "state of the union." the president is putting on smiles as he meets with world leaders at the g7 in france, insisting on twitter everyone is getting along very well. at a friendly working breakfast with britain's new prime minister boris johnson, the