Trump is celebrating the Foxconn deal. The people paying for it aren't so sure.

Wisconsin lawmakers voted Monday to advance a $3 billion deal to bring a Foxconn factory the size of seven football fields to the state's southeastern edge. But as they consider plans that could transform the area, Dennis Wiser, the mayor of Racine, says he wants to know more about it.

Would taxpayers in his manufacturing town, which is next to Lake…