TORONTO – CBC News is bumping up its local supper-hour newscasts to 90 minutes starting next month.Beginning August 31, the newscasts will also move up to an earlier timeslot, from 5-6:30 p.m. (local time) which the pubcaster says will “better serve Canadians”.“Canadians want more local news and want more options of when to get it,” said Kirstine Layfield, CBC Television’s executive director of programming, in the announcement. “So we are extending CBC News against a larger local footprint.”In related news, business journalist Amanda Lang, host is joining CBC News this Fall. In addition to hosting a new business program on...