Tonight The Voice shifts from one phase to another. We get the seventh and final round of the Blind Auditions, as the judges firm up the last remaining spots on their respective rosters. And then, in the show’s second hour, we get the first taste of the Battle Rounds, where singers on each team compete in a do-or-die showcase to advance. But if their coach lets them go, other coaches can grab them. Tonight, two of Jennifer Hudson’s team members, Colton Smith and Patrique Fortson, use