Amid days of protest in Wisconsin over legislation to limit collective bargaining, Michigan Governor Rick Snyder said he won't "pick fights" with the state's employee unions.

"We're going to go negotiate with our unions in a collective-bargaining fashion to achieve goals," the Republican governor said in an interview. "It's not picking fights. It's about getting people to come together and say here are the facts, here are the common-ground solutions."

Thousands...