TORONTO – Late yesterday, the CBC gave its union, the Canadian Media Guild, a 72 hour lockout notice, meaning that if the two sides can’t somehow come to an agreement by Sunday night, 5,500 English TV and radio workers across the country will be locked out Monday morning."We are disappointed to have to take this action," said Richard Stursberg, executive vice-president of CBC Television. "However, after 15 months of negotiations, our key issues remain unresolved - issues which are crucial to CBC's success as a national public broadcaster and as a well-managed company in a competitive media marketplace." "We are...