Despite New Poll, Sen. Klobuchar Confident About Clinton Campaign

-- Minnesota Sen. Amy Klobuchar is confident Hillary Clinton's campaign will avoid a repeat of 2008, when she lost the Democratic presidential nomination to then-Sen. Barack Obama, even as the party's frontrunner starts to slip in the Iowa polls and faces growing controversy over her private email server.

"Her campaign is so much different than 2008," Klobuchar told Martha Raddatz today on "This Week." "It has energy, it's organized, it is a grassroots campaign."

Although Klobuchar, a Democrat, has endorsed Clinton this election cycle, she supported Obama in 2008.

A new Des Moines Register/Bloomberg Politics poll shows Clinton polling at 37 percent in Iowa, losing ground to Bernie Sanders, who is at 30 percent. But Klobuchar, who noted that the caucuses are still several months away, did not seem concerned.

"This is not a coronation. She [Clinton] expected there would be other candidates in the race," Klobuchar said. "You can't just waltz in and win a Democratic primary."

Klobuchar also said she appreciated Clinton's tone acknowledging the problems her campaign is facing over her use of a private email server when she was secretary of state.

"In this case she had to take responsibility for what she did, and she did," Klobuchar said. "She said she should have had two email accounts and should have done this differently."

As for whether Joe Biden will throw his hat into the 2016 ring, which could potentially pose a serious challenge to Clinton's candidacy, Klobuchar only said the vice president had to make a decision that was right for him and his family.

Klobuchar was elected to the Senate in 2006. Her memoir, "The Senator Next Door: A Memoir From the Heartland," was published earlier this month.