Former members of Congress are deeply concerned about political violence ahead of the 2024 presidential election, former Sen. Doug Jones of Alabama and former Rep. Barbara Comstock of Virginia said at a Thursday joint appearance sponsored by the liberal Center for American Progress and the nonpartisan McCain Institute. Jones, a moderate Democrat who lost reelection in 2020, and Comstock, a moderate Republican who was defeated in 2018, said increased acceptance of political violence is seen across the political spectrum. But they laid much of the blame on former President Donald Trump and his s…