Rep. Anthony Weiner's stunning wife had a front-row seat to the mother of all sex scandals - she served in the Clinton White House during Monicagate. And now, 34-year-old Huma Abedin has to deal with her hubby's own public shame, as he tries to explain away his connection to a lewd Twitter picture. Weiner said yesterday his beautiful spouse - a longtime aide to now-Secretary of State Hillary Rodham Clinton - doesn't understand what all the fuss is about. "She's seen an awful lot," Weiner told MSNBC