in capital (10)  - WASHINGTON {WAS<-}{NOTHING*} 14 - Understand what bidder at art auction wants to do? (3,3,7)  - GET THE PICTURE [DD] 16 - Hold a medal intricately inscribed with n ame of statesman (6,7)  - NELSON MANDELA {NELSON} {MA{N}DELA*} 19 - A person travelling on foot is commonplace (10)