With all due respect to Jackson Galaxy, the famed cat behaviorist featured on Animal Planet's "My Cat From Hell," some cats just aren't meant to be tamed. Dodge's 2015 model Challenger SRT with its supercharged 6.2 Hemi V8 engine, also known as the Hellcat, is one of them. The Hellcat engine in what Dodge is pimping as "the most powerful muscle...