Russia's Putin says on Paris climate accord - 'Don't worry, be happy'
ST PETERSBURG, Russia (Reuters) - After Washington's exit from the 2015 Paris climate change accord, Russian President Vladimir Putin tried to put on a brave face on Friday. "Don't worry, be happy," he quipped during an economic forum in St Petersburg. (Reporting by Andrey Ostroukh and Christian Lowe; Writing by Dmitry Solovyov; Editing by Jack Stubbs)