Roadside Regenerations — The cleverest, if not funniest, moment in this summer’s remake of 1983’s National Lampoon’s Vacation occurs when the family, headed by erstwhile patriarch Rusty Griswold (Ed Helms), the son of Clark Griswold (Chevy Chase) sits around the table in Act I discussing the merits of re-visiting “the original vacation.” The slippage between ...