Congress MP Rahul Gandhi's broadside on Arvind Kejriwal Tuesday - naming the former Delhi Chief Minister as the "architect of the liquor scam" and raking up the 'sheeshmahal' jab, a staple of the Bharatiya Janata Party's attacks - underlined the chasm between his party and the Aam Aadmi Party, both of which remain (on paper, if nothing else), part of the INDIA opposition bloc and national allies.