After having a friendly chat on the tarmac at LaCrosse Regional Airport with Wisconsin Gov. Scott Walker, President Obama made fun of the GOP field jockeying to succeed him and ripped into Walker's actions as governor.

"You all have enough for an actual Hunger Games," Obama said about the large Republican presidential field. "That is an interesting bunch," he quipped before explaining why trickle-down economics doesn't work.

He said that many of the contenders are proposing ideas that they say would benefit the middle class. "Tammy, Ron, me — we were talking about the middle class before it was cool," he said referring to Wisconsin Sen. Tammy Baldwin and Rep. Ron Kind — whose district encompasses LaCrosse — who were in the audience at the University of Wisconsin-LaCrosse auditorium. "We were talking about it before the polls" said politicians "should be talking about it," he added.

The huge GOP presidential field keeps "coming up with the same old trickle-down, you're-on-your-own economics," he said.

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