Val Kilmer credits Kurt Russell with making Tombstone
Plus: Kilmer makes an appearance in Tombstone, Arizona for a Doc Holliday event
''Wyatt Earp'' trampled by ''Tombstone''
The competing Western biopics prove that audiences won't go for the same story twice
''Tombstone'' features a real Wyatt Earp
The fifth cousin of the historic lawman pursues an acting career in his namesake's biopic