So a little movie called Indiana Jones and the Kingdom of the Crystal Skull has opened at last. Fan-boys have live-blogged during the premiere, physicians have written open letters of protest deriding the movie’s myriad junk food tie-ins, Russian Communists have been offended, and archaeologists have condemned Dr. Jones for his “unethical” violation of international treaties. But is the long-awaited (by some) $185 million fourth installment of the George Lucas/Steven Spielberg franchise any good?......