A British man has just been the crowned the world’s oldest man after he celebrated his 112th birthday.Born on March 29, 1908, Robert Weighton has officially been confirmed as the new title holder by Guinness World Records, it was announced Tuesday.He scoops the title after Chitetsu Watanabe, from Japan, who passed away on Feb. 23. Born on March 5, 1907, he was 112 years and