who was appointed by trump after he lost the last presidential election, is sparking more political outrage. in milwaukee, tonyoke to gop convention-goers, who say they feel the country's overheated political rhetoric set the stage for saturday's attack on the former president. >> reporter: as many convention-goers landed in milwaukee saturday, emotions ran wild. [ sound of gunfire ] >> get down, get down. >> sads state when people can't have civil discourse. >> reporter: but of the reactions we heard over two days of conversations -- >> were you surprised when you got the news yesterday? >> no, not at all. >> reporter: -- surprise at the violence has not been one of them. >> there's a lot of vitriol on both sides. it's not really political talk anymore. it all has so much battlefield sound to it. >> reporter: politicians on all sides of the aisle have called for national unity and cooler heads. >> i think what we have got to see is serious discussion of serious issues and not this kind of harsh rhetoric. >> we settle those differences through political debates and through elections. we don't settle them throu