including bill nye the science guy. we ll bring you highlights from our special five-hour broadcast from the march on washington on earth day. and speak with some of those who attended, like dr. mona hanna-attisha, the doctor who discovered the connection between rising blood lead levels in the children of flint, michigan, with the switch to the flint river as a water source. state officials initially dismissed her findings, but she refused to accept their denials. the flint store in the story of science is a science to tragedy.his unreliable we need to believe in science and we need to invest in science. if not, we have the risk of seeing many more. amy: today, the march for science for the hour. all that and more, coming up. welcome to democracy now!, democracynow.org, the war and peace report. i m amy goodman. in france, former investment banker emmanuel macron and far-right politician marine le pen are headed for a runoff after the first round of voting in the french pr