Former student charged in pipe bomb incident at San Mateo, Calif., high school

From The San Francisco Chronicle: Prosecutors allege that the 17-year-old former student at Hillsdale High School in San Mateo, Calif., was trying to kill a chemistry teacher and a security aide when he allegedly detonated two pipe bombs on the campus. Alexander Robert Youshock has been charged with attempted murder, exploding a bomb with intent to commit murder and possession of dangerous weapons.