Kobe Bryant loomed over Super Bowl Opening Night on Monday, looking down on the Kansas City Chiefs and San Francisco 49ers from a giant screen as the NFL paid tribute to the Los Angeles Lakers great killed in a helicopter crash. Opening night has usually been a light-hearted and often zany start to Super Bowl week as the players from both teams dive into a media mosh pit for a prime time question-and-answer free-for-all where very little is out of bounds. But the night got off to a muted start when the lights dimmed at Marlins Park and Bryant's image appeared on the jumbo-tron staring down on the field as the crowd fell quiet for a moment of silence in tribute to the 18-time NBA All-Star who...