Bears guard Kyle Long offers lesson in how to apologize

David Banks/Getty Images Bears guard Kyle Long apologized Tuesday for his actions toward teammate Jalen Dalton last week.When the time comes that Bears guard Kyle Long is done with pro football, some firm should hire him to do major damage control.

Maybe the NFL itself should do it.

I mean, Long is good.

His apology Tuesday for going semi-medieval on Bears rookie teammate Jalen Dalton a week ago — ripping off Dalton’s helmet and trying to batter him with it, then flinging the helmet away like a filthy Asian carp — was a masterpiece of reason, explanation and genuine sincerity.

At least, it sure seemed to be all those things.

And it stopped potential team disruption in its tracks. If you make a…