zero out their income taxes. >> 91 of the top 500 companies in america last year paid zero in income taxes. zero. that's not right. we can't rebuild a highway system. we can't house the homeless. we can't do those things if large corporations aren't paying any taxes. greed has been around forever. it is a human attribute. it is not an american attribute. >> we're pretty good at it, though. i feel like america would be up there. >> yeah, yeah, yeah. >> so what could we actually ac achieve by raising taxes? well, increasing the overall tax rate of the richest 1% by about ten percentage points would generate $3 million in revenue over the next ten years. $3 trillion in new revenue is enough to make college free at all public universities.