They surprised their Birmingham, Mich.-based boss by sending him more than 6,000 birthday cards. Stacks and stacks of cards, tied with colorful ribbon into groups, covered his big wooden desk.

They surprised their Birmingham-based boss by sending him more than 6,000 birthday cards. Stacks and stacks of cards, tied with colorful ribbon into groups, covered his big wooden desk.

It's the Boss Baby's birthday, and he's celebrating like an adult. There's just one problem: He still needs Carol to push his stroller around Chicago. In a bid to sabotage the Lil' Dumpling ...