Welcome to CNBC. com. I'm Frank Holland, anchor of Worldwide Exchange.We're taking a look at the ETF market. Year-to- date ETF net inflows. They're topping $789 billion.Joining me now to discuss the ETF market and much more is John Mayer, JP Morgan, chief ETF strategist. John, thanks for joining us. Thanks for having me, Frank.All right, so first off, I want to start off with that uh ETF net inflows topping $789 billion. We're on pace for another trillion dollar year. just what's your general take of the ET ...