What's happening on the campaign trail todayFormer President Donald Trump will rally in Johnstown, Pennsylvania, before he travels to Washington, D.C., to address Moms for Liberty. The nominally nonpartisan political organization, which started as a group of parents protesting Covid restrictions, has become a major political player in the Republican Party.Second gentleman Doug Emhoff is hitting the campaign trail on behalf of Vice President Kamala Harris, speaking at campaign receptions in their home state, California, and in Aspen, Colorado.Harris and her running mate, Minnesota Gov. Tim Walz, did the first sit-down interview of their campaign yesterday. CNN's Dana Bash pushed Harris on her policy evolutions, prompting her to respond, “My values have not changed.”