What AAP sweep means for Punjab and Congress as an opposition party

Arvind Kejriwal-led Aam Aadmi Party scripted history today by winning Punjab Assembly elections with a huge margin. The AAP victory has decimated Congress in its traditional bastion and also dealt a blow to legacy parties including Akali Dal. Hindustan Times National Political Editor, Sunetra Choudhury, explains what it means for the Punjab, Congress and the overall political scenario of the country. Watch.