James Hoffa, speaking in Michigan, shortly before Pr. Obama took the stage. Since Mr. Hoffa is the head of the Teamster’s Union, and it was a Democratic rally, let’s consider what unions and Democratic leadership have done for Detroit.

GM builds trucks and SUVs in Silao, Mexico. Workers make $4.00 an hour, about 1/10 of what a worker made in Detroit. Is there anyone who thinks those jobs are coming back?