Yes I'm sure all CX crews could safely conduct a circling approach.
You should be asking why in 2012 with ILS, VOR DME and RNAV approaches available at just about every Runway CX operate into should we even consider a circling approach??? FUK is about the only one, and even then in marginal weather you'd be nuts to circle considering 34 has an ILS.
Maybe it is time to consign the circling approach to the bin. Much safer easier options available.