Wargs can't control dragons. Its like their very thoughts are on fire.

Yes, it takes one of those crazy pyromancer guys, a tamed dragon, and a really good smith to make Valyrian steel

Jaime never raped Cersei. Unless you call sticking her tongue down his throat, undoing his pants, and then finally grabbing his hips and pulling him into her "rape". Then yeah, it was totally rape.