New Delhi, May 24 -- In 2015, when the Aam Aadmi Party (AAP) won 67 of Delhi's 70 assembly seats, it emerged as the alternative to the Capital's bipolar polity and hoped to expand into a national player. A year earlier, the fledging party which rode an anti-corruption movement, won four of Punjab's 13 Parliamentary seats. The national ambitions of the party, however, got a rude jolt on Thursday. It lost all seven seats in Delhi and won only one seat in Punjab....