Current Iowa Caucus standings, plus changes from our Starting Line/@ChangePolls poll in May:

Warren: 28% (+16)
Biden: 17% (-7)
Sanders: 17% (-7)
Buttigieg: 13% (-1)
Harris: 8% (-2)
Booker: 3% (+2)
O'Rourke: 3% (-2)https://t.co/f6tWYNN23W

— Iowa Starting Line (@IAStartingLine) August 15, 2019