It's been nearly four months since a Norfolk Southern train derailed in East Palestine, OH, setting off a public health crisis and sparking uncertainty and fear amongst the residents of this Ohio town. While the national news crews may have moved on, US Transportation Secretary Pete Buttigieg insists that the United States government has not. "This is something we need sustained attention on" Buttigieg tells Bremmer in a wide-ranging interview for GZERO World. "Years from now, you could see health effects."