Banks' Exposure to Asset-Backed Commerical Papers

The Globe and Mail, Tavia Grant, 24 August 2007Ewen Mackenzie has been trading securities for nearly three decades, half of that as head of his Thornhill, Ont., investment firm. And he's always been able to buy short-term government treasury bills � until Friday.Like scores of other fixed-income investors, Mr. Mackenzie was looking to park money in one of the safest spots in Canada �