Ready or not, Vikings begin J.J. McCarthy era in Chicago on Monday night

Ben Goessling, Andrew Krammer and Emily Leiker preview Monday night's season opener in Chicago, where Vikings quarterback J.J. McCarthy will return to face his hometown team in his first NFL start. How will he manage the emotions? How will the Vikings manage him? And what should be expected in the matchup of makeovers between the Vikings defense and the Bears offense under new coach Ben Johnson?