Jon Thurston and Canada’s wheelchair curling team hit a rough patch with a pair of losses on Tuesday at the Paralympic Winter Games in Beijing. The evening draw vs. Slovakia was a back-and-forth affair, with huge swings on the scoreboard, and an exciting finish. While Canada controlled most of the game, leading 3-2 after four ends, a four-ender by Slovakia in the fifth changed the complexion of the game. “The fifth end got away from us,” said Thurston, a Dunsford native and Peterborough Curling Club member who throws fourth stones for Canada. “I couldn’t make the draw to cut them...