Calling No News Today

This morning on "world news now" -- courtroom drama. john edwards defense attorneys bring an abrupt end to their case by calling no star witnesses. >> setting the stage for todays big closing arguments in the former presidential candidates conspiracy trial. its thursday, may 17th. >> announcer: from abc news, this is "world news now." >> happy friday eve, everybody. im rob nelson. >> and im diana perez. paula faris is on assignment. well get to the legal drama in the john edwards case in just a ...