There's only one thing you need to know about Scarsdale High. The Royals rule here. We say when to jump and how high, and the rest follow like lemmings because to do otherwise is social suicide. As cheer captain, I have everything I've ever wanted, including Scarsdale's star quarterback, Navrin Fox. There's just one problem ... his twin brother. Lev Fox knows exactly how to push my buttons-he's been doing it since childhood,...