Kaepernick explodes for 78-yard touchdown run

With plenty of pressure on Alex Smith in 2012, there’s a chance that we’ll eventually see the man who was picked one spot after Andy Dalton in the 2011 draft.  (Yeah, we know that coach Jim Harbaugh swears Alex Smith is the team’s quarterback.  Harbaugh also swears he didn’t pursue Peyton Manning.) Colin Kaerpernick, who…