Navjot Singh Sidhu has resigned as Punjab Congress chief, delivering a big shock to the Gandhis, who may have hoped that changing the chief minister would help end the turmoil in the state before elections early next year. This is Amarinder Singh's big 'I told you so' moment. He said in a tweet, "I told you so...he is not a stable man." Today, was meant to be a day of celebration for the Congress with Kanhaiya Kumar joining and Jignesh Mevani voicing support to the Congress. But the induction was clearly overshadowed.