Goa, Oct. 6 -- The war of words between the Congress and Aam Aadmi Party (AAP) has escalated, casting a shadow over any future collaboration between the two parties in Goa. The fragile alliance between them has 'col lapsed' in the State, with leaders from both parties challenging each other to a public debate to "let Goans decide who is telling the truth". The confrontation in tensified after former Del hi Chief Minister Arvind Kejriwal, during a public address in Goa, made al legations against certain Congress leaders, par ticularly targeting Goa Pradesh Congress Com mittee (GPCC) president Amit Patkar. Kejriwal reportedly re peated claims allegedly based on a 'co-passenger's' gossip - triggering strong reactions from the Con gress camp...