Sen. Chris Murphy (D-CT) and Minnesota Gov. Tim Walz traveled to Barcelona, Spain, this past weekend to appear alongside a lineup of foreign leaders that includes a convicted money launderer, a former Marxist guerrilla, and a head of government who blocked the U.S. military from using American bases during the Iran conflict. The event was billed as the “Global Progressive Mobilisation Forum” in defense of democracy. Murphy and Walz joined Spanis…