Michael Lewis on tap at 1pm

Michael Lewis
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Michael Lewis

Controversial author Michael Lewis set Wall Street afire a year ago with his book "Flash Boys." And now, Lewis will join CNBC's Power Lunch live from the NYSE at 1pm Eastern.

Discussions about the accusations Lewis made in that book have ignited our viewers before, and this could be yet another round.

So, what would you ask Michael Lewis or what will you be looking for when he joins Tyler Mathison this afternoon?