It's really bad for a number of reasons. Number one, if you...

It's really bad for a number of reasons. Number one, if you have a child in the front seat period, an airbag deployed can kill the infant. And even if you are in a minor crash, what happens to a child not buckled down securely is that it becomes a projectile and could hit the steering wheel, the windshield, anything. Even if you just make a sudden stop, the child can fly from your lap.