' J. I6 R6 D% _7 _! E( QHeartbleed bug may shut Revenue Canada website until weekend 4 \7 N) _% O) b* l& K4 Y8 b 6 F# a& t$ f8 F: T# ?3 t ZThe Canada Revenue Agency says it expects its website to be down until the weekend because of a security vulnerability related to the Heartbleed bug.) x1 y! b2 w/ J4 }4 E( r