
Nate Cohn @Nate_Cohn
Joe Biden leads Donald Trump in Iowa, 46 to 43 percent, according to a new Times/Siena poll. Joni Ernst leads Theresa Greenfield by 1 in the race for U.S. Senate, 45 to 44 percent. Trump approval at 46/50 https://t.co/Eb3mtqDSyu — PolitiTweet.org