SHILLONG, India (AFP) - Three thousand Indian tribal chiefs in one of the world's wettest regions have invited ex-US vice president Al Gore to pick up an award for creating awareness about climate change. The prize will be presented on October 6 near Shillong, capital of northeastern Meghalaya state, at a ceremony expected to be attended by 300,000 people, organisers said. Top Indian economists and green campaigners are also likely to be present. "We were greatly inspired after watching Gore's Academy Award-winning documentary, 'An Inconvenient Truth', and decided to honour him for his concern about the dangers of climate change,"...