Tuesday on the News Hour, at the Republican National Convention, conservatives try to walk a fine line firing up voters while calling for unity in the wake of the assassination attempt on former President Trump. Judy Woodruff takes a closer look at that assassination attempt from a historical perspective. Plus, Sen. Bob Menendez of New Jersey is convicted of bribery and acting as a foreign agent. PBS News is supported by - https://www.pbs.org/newshour/about/funders