Honest politicians are right to worry about the corrosive effect prediction markets have on public trust and good government. A Navigator Research poll published in April found that while more than 7 in 10 Americans have heard “a little” or “nothing” about major prediction market companies, they support “Congress banning anyone with insider information — so elected officials, their staff and others with insider information — from using prediction markets to bet on government actions like war, laws and other actions by net 49 points (67% support – 18% oppose).”