Here is a inteview with Michael Lewis about his book and the issues with Jon Stewart. It is broken up into 3 5min videos... with a simple explanation of the problem.
At the bottom of the page is a link to the CNBC debate between Lewis, Katsuyama and William O’Brien, president of BATs Global Market.
Watch Michael Lewis Explain 'Flash Boys' with Jon Stewart on 'The Daily Show,' CNBC and '60 Minutes' - Speakeasy - WSJ
Here is a link to an interview with William O’Brien, president of BATs Global Market.
In essence O'Brien attempts to make the case that they HFT are just market makers and that new technology is being vilified.
It’s a shameful vilification of the entire industry, says BATs O’Brien on Lewis’ HFTs allegations
Here is an interview with the NY Attorney General about it.
Why New York AG wants curbs on high-frequency traders - MarketWatch