Like watching a blood-drunk barbarian on a rampage, 300, like its title, drops the pretense of history—it purports to dramatize the ancient battle of Thermopylae between Spartans and Persians—and offers what can only be described as a mongrel mix of audio-visual fury. 300 is History hijacked by Horror. A band of Spartan men go to war led by a king (Gerard Butler) married to a queen (Lena Headey) who insulted the enemy that marches upon their civilization, which is depicted as a haven for hateful half-savages. It's easier to follow who's who and what's what than one might expect, yet...