Comments a hot topic among blacks on social media; 35 in newsroom laid off in Oregonian transition; 25 journalists attacked or detained in Brazil protests; Heat-Spurs finale is Miami's highest-rated NBA game ever; Sree Sreenivasan leaves Columbia U. for the Met; Pacifica's N.Y. station WBAI to lay off entire staff; in Birmingham papers in '63, civil rights wasn't front page; a quiet conversation about a hat that screams (6/21/13)