Families of Seven Rescued POWS Rejoice By CHRIS ROBERTS .c The Associated Press EL PASO, Texas (AP) - Just two days after Fort Bliss mourned nine soldiers from the 507th Maintenance Company, ``great rejoicing'' began with word that five other members of the unit who were taken prisoner in Iraq are now free. ``When it all started it was like a nightmare,'' Joel Hernandez told NBC's ``Today'' show Monday about the capture of his brother, Army Spc. Edgar Alan Hernandez. ``We were just waiting for good news and we got that good news, and now it's time to celebrate.'' Hernandez...