Tipoff is minutes away, and 300 miles away, as Mike Grimm makes his final preparations. He checks his notes, puts on his headset, and stares at a TV monitor positioned close enough for him to touch from his seat. Four different camera angles are displayed on the screen. Grimm, the radio voice of Gophers men's basketball, hopes one of them will be in focus so he can correctly identify which player has the ball. That's not always guaranteed. "We really won't know what we get until the game starts in terms of quality," he says. Welcome to pandemic broadcasting. In what has become the norm since ...