high? >> i do. >> if it was legalized all throughout the country and medicinal, would you do it again? >> listen. i think it gives a lot of people joy and we need more joy in the world. >> reporter: the same question was hardly a laughing matter for then-governor bill clinton nearly three decades ago. >> i didn't like it. and didn't inhale. >> reporter: since then, slowly but steadily, the stance towards smoking has shifted for presidential contenders. remember this from barack obama? >> i inhaled. frequently. that was the point. >> reporter: now for democrats, it's a cannabis-friendly field that includes senator amy ofuccial in weathe that was anything but minnesota nice. and senator elizabeth rrspsored legislation to make it easier for states to legalize pot. bottom line, come 2020, any stigma surrounding marijuana hallie jackson, nbc news. thousands took to the streets in denver today where teachers