(This story appears in today’s edition of USA TODAY .) You can count on a few things happening when you grow up in the Gracie family. There’s a good chance you’ll learn the art of jiu-jitsu from some of the world’s best practitioners. And you’ll probably get pretty good at it. You’d better, because almost everywhere you go, from childhood on, there’s bound to be someone who thinks it would be cool to beat up a member of Brazil’s first family of fighting, just like there’s bound to be people who expect you to be some sort of superman on the mat. “That talk starts when you’re very young, and it never stops,” Roger Gracie (6-1 MMA, 0-0 UFC) told MMAjunkie.com (www.mmajunkie.com)