TORONTO – Canwest said this evening its senior lenders agreed today to extend the company’s access to credit until April 21st as it searches for ways to recapitalize. “While this is only two weeks, it is part of an ongoing discussion between the company and its lenders in which we seek to reach a longer term solution. Between now and April 21, we aim to negotiate a further extension in order to achieve that,” said CEO Leonard Asper in an e-mail to employees today. Canwest has been struggling all year long and has been shown a lot of flexibility by...