::::::::: CBC - WORLD NEWS :::::::::                    Cambridge researcher downplays his work amid Facebook data harvesting          Bill Cosby retrial jury to decide: Is he a serial rapist or victim of a con artist?          Fire at karaoke bar in China kills 18, arson suspect arrested          Trump hosts Macron, pair likely to discuss Iran nuclear deal, Syria          Peruvian judge orders 2 arrested in lynching of B.C. man          George H.W. Bush in hospital, a week after wife's death          Saudi airstrike kills at least 20 at Yemen wedding          Prince William, Duchess of Cambridge welcome baby boy          Suspect arrested in deadly Tennessee Waffle House shooting          Shania Twain apologizes for saying she would have voted for Donald Trump          Strong ad sales boost Google parent Alphabet's earnings          EU's Donald Tusk, back in Poland, testifies at contentious probe of president's plane crash          New U.S. net neutrality rules come into effect today          Salah Abdeslam, suspected in 2015 Paris attacks, convicted in trial in Belgium          South Korea shuts off propaganda blasts as 2 sides near summit talks          Armenia PM bows to days of protests and resigns after power grab