Episode 228

ABC News' powerhouse political team reports on opening night of the DNC in Chicago, the thousands of protesters marching in support of Palestinians in Gaza, Donald Trump's campaign events in swing states and the latest national polling; Trevor Ault has the latest on the torrential rain across the Northeast that caused deadly flooding and triggered high-water rescues; as Ukraine pushes further into Russia, Ian Pannell speaks with Russian fighters captured by Ukrainian forces; and more on tonight's broadcast of World News Tonight with David Muir.