EXCERPTED FROM NY POST PRINT EDITION 4:00 AM Live media feed begins. 5:10 AM Wills and and best man Prince Harry first to leave Clarence House for Abbey. Charles and Camilla leave. Clarence House is Charles, Camilla, sons' home. Built 1825-27 for William IV. William and Kate's London home after marriage. 5:40 AM Queen and Prince leave Buckingham Palace---built in 1702 by request of Duke of Buckingham. Queen Victoria was first sovereign resident in 1837. Ballroom---site of the reception---is 120' long 5:51 AM Kate and dad leave Goring Hotel in 1950 Rolls Royce Phantom IV---auto attacked with Charles and Camilla...