Alberta. Pbs News Hour Senior National Correspondent anna navaz. And pbs news hour White House Correspondent yamiche alcindor. And now please greet tonights candidates. They are businessman andrew yang. South bend, indiana mayor Pete Buttigieg. Massachusetts senator Elizabeth Warren. Former Vice President joe biden. Vermont senator Bernie Sanders. Minnesota senator amy klobuchar. And businessman tom steyer. Welcome to all, and we will be right back to begin the debate. Look whats happening to American Workers. Theyre being stifled. It has to end. We are the only major country on earth not to guarantee health care to all people. They want what it takes to be part of americas middle class. Everybody deserves a living wage in this country. The proposals im putting forward would make me the most progressive president in my lifetime. The people are tired of the extremes in our politics. Theyve got a home with me. We have a broken government in washington, d. C. What we need is a new voice a