Nick Vujicic, born without arms and legs, faced obstacles few could fathom. Less than 10 people worldwide have this condition. He’s now a person of faith, and one of the top motivational speakers in the world. Oh—and he’s married with four kids. Oh—and he graduated from college with a double major. Nick, now 35, was born with a condition known as Tetra Amelia syndrome. Not surprisingly, he faced bullying as a kid, and it continued into adolescence. Then on...