Union workers booed Republican Michigan Gov. Rick Snyder during a celebration for the 2012 Ford Focus at the Michigan Assembly Plant.

"Snyder has taken heat from organized labor in recent weeks over plans to tax pensions and his support for a new law allowing state-appointed emergency financial managers to void public union contracts deemed unaffordable for struggling municipalities or school districts," Mlive.com noted.

This video is from WXYZ, broadcast March 17, 2011.