Council Bluffs, Iowa (CNN) Less than 24 hours after a strong showing at the Democratic debate in California, Sen. Amy Klobuchar was already rolling through Iowa on her bright green bus.

Klobuchar has embarked on a 27-county, four-day swing through the first-in-the-nation caucus state, where she is hoping her debate performance and her moderate message will earn her a second look and much-needed momentum with a little more than 40 days until the caucuses. Already since the debate, Klobuchar's campaign said it raised more than $1 million.

And this bus tour could be one of the last times Klobuchar is able to spend significant time in the Hawkeye State, with a looming Senate trial on whether to remove President Donald Trump from office threatening to keep her and other Democratic senators running for president in Washington for a large period of time in January.

"I don't think [Iowa caucus-goers are] going to hold it against you if my husband is standing here that last week and I'm here on Skype on some screen. I mean that's what we're going to have to do, because this is too important," Klobuchar said of juggling campaigning with her duties as a senator.

This trip will cement Klobuchar's visit to 96 of the 99 counties in Iowa. On Friday, she plans to close out all the counties, with her campaign already boasting she'll be the only candidate to do so.

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