KIRKUK, Iraq — Gunmen in Iraq shot five Chaldean Catholic Christians in their Kirkuk homes April 26 in two separate attacks, killing three and injuring two. Cousins Suzan Latif David and Muna Banna David were killed at 10 p.m. in a suburb of the northern Iraqi city. Within a few minutes, Yousif Shaba and his sons Thamir and Basil were…