buttigieg and yang. what are the top issues for democrats? as we get closer to voting and a big debate thursday night, this is interesting. health care and climate change, runaway leaders. gun policy and immigration down on the list. they understand health care, climate change. first and second on the minds of the voters, that's what ends up on the tv ads. from the moment he took office, donald trump has tried to destroy obamacare. no one is more determined to protect it than joe biden. >> our climate is in crisis. i'm andrew yang. the time to end it was decades ago. as president i won't end it. it's been a national race for most of the year. it's been overshadowed by impeachment. the impeachment vote is likely