ETF flows are one of the best ways to get inside the mind of investors. They tell you which asset classes, sectors, strategies and specific ETFs both traders and long-term investors are favoring. But interpreting flows is as much art as science. On this week’s Trillions, Joel and Eric are joined by Todd Rosenbluth of CFRA to dissect ETF inflows and outflows from the first half of what is at once both a typical and atypical year.