The host of McKnight Tonight and co-owner of TV Blackbox, Rob McKnight, joins Luke to discuss Karl Stefanovic’s shock departure from Channel Nine after 21 years of service.

<p>The host of McKnight Tonight and co-owner of TV Blackbox, Rob McKnight, joins Luke to discuss Karl Stefanovic&rsquo;s shock departure from Channel Nine after 21 years of service.</p>

Weekends with Luke Grant, 9am to 1pm every Saturday and Sunday on 2GB.

<p>Weekends with Luke Grant, 9am to 1pm every Saturday and Sunday on 2GB.</p>