The Year of the Bond ETF’s Drew Voros highlights 2019 ETF flows, led by bond ETFs.  Vanguard’s Rich Powers discusses the year’s top two bond ETFs in inflows, the Vanguard Total International Bond ETF (BNDX) and the Vanguard Total Bond Market ETF (BND).  CFRA’s Todd Rosenbluth recaps the biggest ETF stories of 2019, including bond ETFs, and looks ahead to ETFs in 2020.