There's been a changing of the guard in Iowa — for now, at least.

Sen. Elizabeth Warren (D-Mass.) passed former Vice President Joe Biden for the lead in the Democratic presidential primaries in a new Des Moines Register/CNN/Mediacom poll of likely Iowa caucusgoers, which was released Saturday. Warren picked up 22 percent in the poll, which gives her a two-point edge over Biden. Further, 71 percent of those polled said they're at least considering Warren, the highest mark among the candidates.

Sen. Bernie Sanders (I-Vt.) trailed Warren and Biden with 11 percent, and no other candidate reached double digits, though South Bend, Indiana, Mayor Pete Buttigieg was close at 9 percent. "This is the first major shakeup," said J. Ann Selzer, president of Selzer & Co., which conducted the poll. "It's the first time we've had someone other than Joe Biden at the top of the leader board." Only one in five likely caucusgoers said their minds were made up, however.

Warren has been rising steadily in Iowa for some time. In December 2018, she was only at 8 percent in the same poll. That increased slightly to 9 percent in March, and then 15 percent in June. The most recent poll was conducted between Sept. 14-18 and surveyed 602 likely Democratic caucusgoers. The margin of error was 4 percentage points. Read more at The Des Moines Register and CNN. Tim O'Donnell