LONDON (Reuters) - Folk rockers Mumford and Sons climbed to the top of the British album chart on Sunday, as sales of their 2012 album 'Babel' rose in the week after they played the final set at this year's Glastonbury music festival. The four-piece band hailing from west London beat Michael Bublé's 'To Be Loved' by just 125 copies to claim the top spot for the third separate occasion since their second album 'Babel' was released. ...