Eau Claire, Wisconsin (CNN) Amy Klobuchar's bid to prove she's the most electable of the Democratic presidential aspirants began with a message to voters in this swing state Saturday: She'll get right what Hillary Clinton got wrong in 2016.

In a symbolic departure from the usual path through early-voting states, the Minnesota senator made a coffee and bicycle shop in western Wisconsin her first campaign stop after announcing her bid for the 2020 Democratic nomination. She told a packed-in crowd she planned to "go to places that maybe we didn't focus on enough in the last few years."

A day earlier, Beto O'Rourke, the former Texas congressman now weighing a run for president, made two stops at colleges in Wisconsin.

"I want to make sure that I'm listening to everyone -- not just those that I know in El Paso and in Texas, but everyone, including going to places that are forgotten or overlooked or have not been visited enough or are only thought about in calculations as you accumulate electoral votes or you think about the next election," he said Friday in Madison.

Klobuchar and O'Rourke never used Clinton's name. But their visits were an implicit rebuke of Clinton's 2016 campaign.

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