Horse Race

Clinton-Sanders Fight Gathers Strength in Iowa: Bloomberg Politics/Des Moines Register Poll

The top Democrats split Biden supporters. Likely caucus-goers aren't fazed by Clinton's e-mail issue. And Sanders has an Iowa problem—and it's not socialism.

Hillary Clinton speaks to attendees during an organizing event in Baldwin, Iowa, on Aug. 26, 2015.

Photographer: Daniel Acker/Bloomberg
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With Vice President Joe Biden officially out of the presidential race, the nation's first nominating contest between front-runner Hillary Clinton and Senator Bernie Sanders is gaining steam, according to a new Bloomberg Politics/Des Moines Register Iowa Poll.

Clinton leads the field with 48 percent of likely Democratic caucus-goers when Biden's supporters are re-allocated to their second-choice candidates; Sanders is in second place at 41 percent. Clinton led Sanders by a similar margin of 43 percent to 35 percent in the Iowa Poll conducted in August.