Luke speaks with former racing driver John Smith as this week's Remarkable Australian, and his inspiring journey as the last Aussie to podium at a home Grand Prix.

<p>Luke speaks with former racing driver John Smith as this week's Remarkable Australian, and his inspiring journey as the last Aussie to podium at a home Grand Prix.</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>