In this Oct. 21, 2019, photo, Democratic presidential candidate Sen. Elizabeth Warren, D-Mass., speaks to students and staff at Roosevelt High School in Des Moines, Iowa. For Warren, it was supposed to be another big idea in a campaign full of them: A promise that everyone could get government-funded health care, following the lead of her friend and fellow White House hopeful Bernie Sanders. (AP Photo/Charlie Neibergall, File)