Former President Obama rallies support for Harris at night 2 of DNC: The Morning Rundown, Aug. 21, 2024

Former President Barack Obama headlined night 2 of the DNC, rallying support behind Vice President Kamala Harris for the presidency. And Russia officials say Moscow came under the largest attack by Ukrainian drones since the war began over two years ago. These stories and more highlight The Morning Rundown for Wednesday, Aug. 21, 2024.