"After reporting that a suspect in the Boston bombings had been arrested, CNN backed off"
AMATEUR JOURNALISM 101
"'Exercise Caution and Attempt to Verify Information Through Appropriate Official Channels Before Reporting"
"(especially CNN)"
http://www.weeklystandard.com/blogs/fbi-exercise-caution-and-attempt-verify-information-through-appropriate-official-channels-reporting_717983.html
EXPOSED TRUTH
TPM provides the mash-up:
http://www.youtube.com/watch?v=5CH4od6CIPE&feature=player_embedded