Just how kid-safe will the show be?

Adept at marketing the sexual tease, this year’s MTV VMAs may have to put the emphasis on the latter rather than the former. With Disney-stamped rockers the Jonas Brothers starring as 2008’s marquee act, will MTV reign in the antics and make the show safe for a G-rated audience? Or are the JoBros betting on a little post-show controversy to make them grown-up rock stars?