Police officers, friends and family members pause by a memorial cross and stone after attending a one-year remembrance ceremony for Massachusetts Institute of Technology Officer Sean Collier on campus in Cambridge, Mass., Friday, April 18, 2014. Authorities say Collier was slain by the suspects of the 2013 Boston Marathon bombing. (AP)
One year after the Boston marathon bombings. One hundred days into the mayoralty of Marty Walsh. A new judge for the Supreme Judicial Court. Plus, a "shakedown" of Keolis?
