ABC World News Tonight with David Muir Full Broadcast -

As a massive migrant caravan heads north through Mexico to the U.S. border, Mireya Villarreal reports on the visit by top U.S. officials as they try to push the country’s president to slow the migrant surge; Terry Moran has the renewed concerns about a wider war after an Iran-backed militia launches another drone attack on U.S. forces in Iraq; Aaron Katersky has the latest on the Michigan Supreme Court’s decision to keep Donald Trump on the 2024 Republican primary ballot; and more on tonight’s broadcast of World News Tonight with David Muir.