The wheels of the bus go round and round ... as grumpy driver temporarily separates mom from son in Manhattan mass transit mess

This city bus driver is a metro cad.

The cantankerous Manhattan wheelman closed the doors on a miffed mom trying to board a city bus with her son Wednesday morning, then insulted the woman for not staying close enough to the 11-year-old boy once she chased the fleeing vehicle down.

“Never tell...