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Now Playing: 02-24-12 Marketplace Mid-day Update

Michael Jordan plays defense against a Chinese sportswear company. Romney's doing his best to sway voters to pick him in next week's primary, playing up his Michigan roots and pushing hard for a law that would get rid of mandatory-union-membership in union shops. And host Jeremy Hobson wraps up a week in Michigan by taking a closer look at two places in Detroit with the same name, but very different stories.