Coles and Woolworths are in the sights of a Senate inquiry, which has been hearing evidence across Australia this week.

It’s looking into whether prices are set fairly and what could be done to make them more reasonable.

While that was underway, one of parliament's most colourful characters stole the show. Bob Katter has been ratcheting up a campaign of high-profile stunts to force the major parties to crackdown on supermarkets.

Today, columnist for The Saturday Paper Paul Bongiorno, on Bob Katter’s contradictions and how the crossbench could force the major parties to get tougher on the big two supermarkets.

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Guest: Columnist for The Saturday Paper, Paul Bongiorno.

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