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Wisconsin Governor Scott Walker speaks during the NRA's Celebration of American Values Leadership Forum at the NRA Annual Meetings and Exhibits April 13, 2012 at the Edward Jones Dome in St. Louis, Missouri. More than 60,000 people are expected to attend the convention, which runs through Sunday. Republican presidential candidate former Massachusetts Governor Mitt Romney, former Speaker of the House Newt Gingrich, and former U.S. Sen. Rick Santorum are all scheduled to speak.
Wisconsin Governor Scott Walker speaks during the NRA's Celebration of American Values Leadership Forum at the NRA Annual Meetings and Exhibits April 13, 2012 at the Edward Jones Dome in St. Louis, Missouri. More than 60,000 people are expected to attend the convention, which runs through Sunday. Republican presidential candidate former Massachusetts Governor Mitt Romney, former Speaker of the House Newt Gingrich, and former U.S. Sen. Rick Santorum are all scheduled to speak.

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    Getting to know Scott Walker

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Getting to know Scott Walker

Dana Bash spoke exclusively with Matt and Alex Walker, sons of Wisconsin Governor Scott Walker, on the cusp of their dad's presidential run announcement.

Getting to know Scott Walker

Dana Bash spoke exclusively with Matt and Alex Walker, sons of Wisconsin Governor Scott Walker, on the cusp of their dad's presidential run announcement.