As a quarterback, Colin Kaepernick has all the physical tools.He has a strong arm and fast feet and can make plays that most other quarterbacks can only dream of making. His late touchdown pass to Anquan Boldin in the NFC Championship Game loss to Seattle was rifled over a defender while on the move and off balance, and his open-field running and long strides often leave defenders out of position for tackles. He's physically gifted.But on Thursday in New York, Kaepernick displayed the leadership, drive and character that have endeared him to his teammates and coaches. In a Super Bowl-week radio interview on ESPN's "Mike and Mike in the Morning Show," the 49ers quarterback spoke at length about the loss to Seattle, Richard Sherman's postgame antics and how much he wants to win, and it was loud and clear that the young quarterback – like his head coach, Jim Harbaugh – is driven to succeed.The Monday after the NFC Championship Game loss, Harbaugh noted that the first player to arrive for work the next day was Kaepernick. And Kaepernick sounds eager to work as hard as possible this offseason to get the 49ers back into position to get back to the Super Bowl and win it.He...