Ex-VP is now at 18%, Warren at 17%, and Buttigieg at 13%; Harris, Sanders in single digits
(Newser) -
A lot can change in four months, and new polling in Iowa suggests seismic shifts among the ever-changing top tier of Democratic presidential candidates. Per a new Suffolk University/USA Today survey of 500 likely Democratic caucus attendees, it's now a three-way race between Joe Biden, Elizabeth Warren, and, in...