By Mike Mulligan-

The Bears margin for error this season was always microscopic. Now it’s that way in game plans, too.

Since this flawed roster was put together, the Bears have walked a razor’s edge, at the mercy of injury, age and ineptitude. Too many young, unproven novices coupled with too many aging, battle-worn veterans required a near-perfect run of good fortune, much like they enjoyed in last season’s cruise to the NFC championship game.

Adversity hasn’t suited the Bears. It has set in like cancer. Jay Cutler’s injured thumb proved the tipping point. Followed closely by Matt Forte’s impaired knee, the Bears have taken a harmful battering, if not an outright deathblow. This team is the worst thing you can be in professional football: Vulnerable. It’s a condition inferior opponents have exploited.

For the rest of Mully’s article from the Chicago Tribune, click here.