Polls in Michigan have closed as the state held its presidential primary, the doctor who performed an autopsy on the cinematographer who died on the set of “Rust” testified, and millions of Americans are under a severe storm watch.  » Subscribe to NBC News: https://www.youtube.com/user/NBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, …

Senate Minority Leader Mitch McConnell’s announcement that he will step down from his leadership role opens the door to new Republican leadership. » Subscribe to NBC News: https://www.youtube.com/user/NBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features NBCNews.com, MSNBC.com, TODAY.com, Nightly News, Meet the Press, …

The justices will hear arguments today about whether two laws aimed at regulating political content on social media are constitutional. ABC News’ Derricke Dennis reports. Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G Watch 24/7 coverage of breaking news and live events on ABC News Live: https://www.youtube.com/watch?v=gN0PZCe-kwQ&ab_channel=ABCNews Watch full episodes of World News Tonight with David Muir here: https://youtube.com/playlist?list=PLQOa26lW-uI8ixlVw1NWu_l4Eh8iZW_qN&feature=shared Read ABC …