The investigation into fundraising involving Walker and his campaign, the Wisconsin Club for Growth, the state Chamber of Commerce and other groups began in 2012.
Themed "Building Retiree Power," the ARA convention focused on income inequality and preserving Americans' right to a secure retirement.
"Labor rights are now government-to-government in trade pacts, while corporate rights get to go over the top of governments."
The life of General Gordon Baker, Jr. was celebrated with a huge outpouring of many hundreds this past Saturday.
The "new populism" spoken of at the conference was described, defined and delivered with hope and realism.
"We cannot and we will not stand silent while workers are impoverished through the supply chains of big business and attacked by their own governments."
"Their whole legislative agenda revolves around this one central idea: Weaken unions and increase profits for big corporations."
NEA President Dennis Van Roekel, a Phoenix secondary school teacher, said it subjects minority group students to "separate and unequal political processes that put undue burdens" on them.
The House's ruling Republicans jammed through a GOP-written budget blueprint for the fiscal year starting Oct. 1, by a 219-205 vote on Apr. 10.
The labor-backed campaign to raise the minimum wage resumed as the "Raise The Wage" bus headed for more states, while Maryland became the second state to enact a multi-year hike of the wage to $10.10 an hour.