Walter Breuning of Montana marks milestone
                                
                                
                                    (Newser) -
                                    A Montana resident believed to be the world's oldest man celebrated his 114th birthday today at a retirement home in Great Falls. Walter Breuning was born on Sept. 21, 1896, in Melrose, Minnesota, and moved to Montana in 1918, where he worked as a clerk for the Great Northern Railway...