Kaepernick orchestrates 15-play touchdown drive

The drive began with Colin Kaepernick facing heavy boos from a large preseason crowd at Qualcomm Stadium. The 49ers quarterback responded by leading his team on a 16-play, 85-yard touchdown drive. Looking better than he has in months, Kaepernick completed six of eight passes for 58 yards. He added another 30 yards on two carries.…