Elton John admits he is in pain — so why, in just a few short weeks, will he embark on a 150-date tour around the globe? At age 74, the music legend just had a hip replacement following an injurious fall that forced him to reschedule his “Farewell Yellow Brick Road” tour. He was seen supporting using a cane Wednesday as he received a prestigious honor from Prince Charles. The musician leaned on the walking stick as he was made a member of the Order of the Companions of Honor for his music career and campaigning work on AIDS during...