U.S. networks project that Republican presidential candidate Mitt Romney is the winner in the Michigan primary.<br/> <br />Former Senator Rick Santorum came in second.<br/> <br />It was a hard fought victory for Romney, in the state where he was born and raised and where his father was a popular governor in the 1960s.<br/> <br />The next key test comes next week on "Super Tuesday" when voters go to the polls in 10 states.<br/> <br />Deborah Lutterbeck, Reuters.
