2020 Sunday Trail Markers: The state of play in Iowa
By Caitlin Conant
Ilhan Omar: Biden not right candidate for 'progress we all want to see'
By Oliver Laughland
Iowa Poll: Elizabeth Warren surges in Iowa, narrowly leading Joe Biden
By Brianne Pfannenstiel
Harris bets big on Iowa, says she'll be a top-three candidate there
By Caitlin Huey-Burns & Adam Brewster