Campaigning in Michigan on Thursday night, former Massachusetts Gov. Mitt Romney reached out to Tea Party voters — a segment of the party that he has had a hard time winning over in previous states this primary season.Michigan votes Tuesday, and polls show the race between Romney and former Pennsylvania Sen. Rick Santorum to be very tight. Santorum is counting on the Tea Party to see him as the true conservative option in the race, but Romney is challenging that claim.Milford, Mich., is a rural community about a 45-minute drive northwest of Detroit. Romney appeared at a local banquet hall...