Two Iraqi ABC News journalists were killed Thursday in Iraq, ABC News President David Westin has said. Cameraman Alaa Uldeen Aziz, 33, and soundman Saif Laith Yousuf, 26, were returning home from work at the ABC News Baghdad bureau Thursday afternoon when their car was ambushed and they were killed by unknown assailants. Aziz, Yousuf, and another colleague were on their way back home.The three men...