South Bend Indiana Mayor Pete Buttigieg highlighted his youth, pitching himself as the voice of a new generation.
He also made reference to an Iowa poll over the weekend that showed other Democratic candidates, some more progressive, creeping up on him and closing the huge lead he previously held. Kamala Harris comes closest at 7%, and other numbers within the poll indicate some underlying strengths for her. He's up 13 points since the last Iowa Poll survey.
Biden has three community events on his schedule in the state on Tuesday.
"The people that I'm talking to, they're still very much in the gathering knowledge stage", Madalyn Anderson, chair of the Story County Democrats, said.
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Before she went public with her story, she and her lawyer had requested damages of $2,250,000 from the hotel, de Castro said. Lawrence-Daley said she did not get a good look at her attacker, but does remember he was wearing a uniform from the resort.
The poll also found among a list of possible advantages to mounting a successful campaign for the White House that only one, having experience in Washington, drew a majority from both would-be in-person and virtual participants. "I haven't seen that many flips since Sea World gave their dolphins cocaine", Trevor Noah said on Monday's Daily Show.
Biden, meanwhile, is campaigning as a front-runner, relishing the one-on-one fight with Trump while making sure he doesn't ignore the demands of the Democratic primary.
Biden began the day in Ottumwa, the heart of Wapello County, a meat-packing and agricultural manufacturing centre Trump was the first Republican to carry since Dwight D. Eisenhower. "But we feel incredibly good about what the president has been able to accomplish in the first two years of his administration".
Biden is certainly thought to have the potential to catch up in Iowa in measures outside of polling, where the stakes are high for someone who is such a recognizable Democratic figure.
This latest poll is only one in a series of surveys rolling out about the Iowa field. It has Biden at 30 percent and Sanders at 23 percent.
The following candidates have just 1 percent support: Michael Bennett, Cory Booker, Julián Castro, John Delaney, Tulsi Gabbard, Jay Inslee, and Andrew Yang.