Tonight on The Buck Stops Here:The Punjabi punch: a knockout battle?The Buck Stops Here travels to Amritsar, where BJP's Arun Jaitley is pitted against Congress' Amarinder Singh. Mr Jaitley responds to Captain Amarinder's 'outsider' charge with a Patiala peg swipe. He says if the measure of being a Punjabi is a Patiala peg, then he is happy being an outsider.Chai Stop: the Amritsar halt In the Jaitley vs Amarinder Battle Royale, is it advantage Jaitley or too close to call?