The Wild Frontier Falling Skies TNT, Sundays, 9 PM “Grace” Written by Melinda Hsu Taylor Directed by Fred Toye “One objective leads to another.” – Weaver No matter how advanced the technology or how ugly the aliens, Falling Skies keeps reminding me of pioneer Westerns. Maybe it’s the unconscious echo of settlers versus Indians that resonates with me, but Tom Mason and his fellow refugees remind me more of the characters from Wagon Train than Battlestar Galactica. I’ve always loved both science fiction and Westerns, probably for the same reason: they pit human beings against unknown worlds, unknown enemies, unknown challenges. The American character was…