Justice: The widow of a slain police officer wants to know why the California Federation of Teachers has taken up the cause of the man convicted of murdering her husband in cold blood. Hey, they teach your children. Former Black Panthers member Mumia Abu-Jamal has been a poster child for the loony left ever since he murdered Philadelphia police officer Daniel Faulkner in cold blood during a routine traffic stop on Dec. 19, 1981. Officer Faulkner, 12 days from his 26th birthday, spotted a car driving the wrong way down a one-way street with its lights off. He pulled over...