New Delhi, Jan. 1 -- Ever since Rahul Gandhi made the goods and services tax (GST) a major issue ahead of the Gujarat elections in 2017, it was only a matter of time before it became a political football. Now, with the power structure in the GST Council tilting slightly against the National Democratic Alliance (NDA) after the Congress won three assembly elections in the Hindi heartland, there is talk of a Congress-sponsored GST 2.0, presumably after the 2019 Lok Sabha election sees an NDA exit....