TORONTO – Another industry organization is pulling the plug.After nearly 50 years in existence, the Radio Marketing Bureau said Tuesday that it will cease operations by August 31, 2010 “in anticipation of the creation of a new, focused, radio-only broadcast association”.“This move, coupled with the recent closure of the Canadian Association of Broadcasters (CAB), paves the way for the radio industry to re-establish its presence in the new media environment with one association dedicated to its particular legislative, regulatory, sales and marketing needs”, the organization said in a statement.The Canadian Association of Broadcasters announced in February that it would close...