London Calling: Corus Country CKDK/London, ON midday host Leeanne Whitehouse and Bell Media Top 40 CKFM/Toronto morning co-host TJ O'Halloran have joined Bell Media CJBX/London, ON "Pure Country 93" to host Pure Mornings With Leeanne And TJ effective Dec. 12. The shift had been handled by Mary Anne Ivison, who is now concentrating on her voiceover work. Whitehouse had been with Corus in various capacities for eight years; prior to his six years in Toronto, O'Halloran spent two in Calgary.