This season’s shows have been alternately emotional and amusing, and I’m guessing tonight’s new outing leans towards the latter. Libby (Caitlin FitzGerald), the sexually emboldened estranged wife of Michael Sheen’s Dr. Masters, heads on a weekend road trip with Bram (David Walton), her husband’s attorney – and her current paramour. It’s the summer of 1969, and they take a drive to upstate New York, to check out a little music and arts fair being held in Bethel – a little outdoor concert venue now known as… Woodstock. But traffic is tough. As Arlo Guthrie famously told his audience of 500,000 muddy listeners: “The New York State Thruway is closed, man!”