This week, Sam Watermeier duels guest Yapper and Ball State classmate Evan Dossey over the recently released thriller “Tinker, Tailor, Soldier, Spy.” Based on the classic 1974 novel by John le Carré, the film follows espionage veteran George Smiley (Gary Oldman) on his hunt for a Soviet mole scurrying within British Intelligence at the height of the Cold War.