Michigan football, the 3-2-1: Why the wait to extend Jim Harbaugh?

Michigan head coach Jim Harbaugh brought U-M back to life after some dark years, and he’s proven to be one of the best coaches in football at any level. That fact that it took him — one of the few winners at every level — until year 8 to get over the hump should demonstrate how hard it was (though yeah, the Wolverines deserved a better fate in 2016).