Extras

Video thumbnail: PBS NewsHour Amy Walter and O. Kay Henderson on Iowa's undecided voters

PBS NewsHour

Amy Walter and O. Kay Henderson on Iowa's undecided voters

Amy Walter and O. Kay Henderson on Iowa's undecided voters

Amy Walter and O. Kay Henderson on Iowa's undecided voters

Video thumbnail: PBS NewsHour House impeachment managers make trial's closing arguments

PBS NewsHour

House impeachment managers make trial's closing arguments

House impeachment managers turn to history in closing trial arguments

House impeachment managers make trial's closing arguments

Video thumbnail: PBS NewsHour Why Iowa caucusgoers are feeling extra pressure in 2020

PBS NewsHour

Why Iowa caucusgoers are feeling extra pressure in 2020

Why Iowa caucusgoers are feeling extra pressure in 2020

Why Iowa caucusgoers are feeling extra pressure in 2020

Video thumbnail: PBS NewsHour How U.S. health officials are reacting to novel coronavirus

PBS NewsHour

How U.S. health officials are reacting to novel coronavirus

How U.S. health officials are responding to threat of novel coronavirus

How U.S. health officials are reacting to novel coronavirus

Video thumbnail: PBS NewsHour Amy Walter and David Yepsen on Iowa caucus trends

PBS NewsHour

Amy Walter and David Yepsen on Iowa caucus trends

Amy Walter and David Yepsen on Iowa caucus trends

Amy Walter and David Yepsen on Iowa caucus trends

Video thumbnail: PBS NewsHour How 1 philanthropist hopes to boost mid-career women artists

PBS NewsHour

How 1 philanthropist hopes to boost mid-career women artists

How this philanthropist hopes to boost mid-career women artists

How 1 philanthropist hopes to boost mid-career women artists