Guwahati, Dec. 14 -- The US President has all the right to ridicule his political opponents. But slamming a person who is trying to arouse global awareness to combat climate change is definitely not in good taste. Trump on Thursday lashed out Time magazine's 2019 Person of the Year, Greta Thunberg, saying that the climate activist should 'chill' and go out to see a movie. Trump tweeted, 'So ridiculous. Greta must work on her Anger Management, and then go to a good old fashioned movie with a friend!' Trump's uncalled for tweet came after the Time magazine on Wednesday honoured the 16-year-old Thunberg, who last year launched a solo 'School Strike for the Climate' or 'Fridays for Future' protest against global warming that has since grown int...