hbcus and other minority serving institutions. >> reporter: that is aimed at closing the racial wealth gap, investing in black colleges and universities and an additional $12 billion to support black entrepreneurship, before the same audience pete buttigieg also attacked trump. >> my generation saw this country elect its first black president and then turn around and elect a racist to the white house. and we ought to call that what it is. >> reporter: and today rolls out a new economic policy to help gig economy workers unionize. buttigieg is targeting big tech for outsourcing employees and benefits. elizabeth warren announced she crossed a threshold, receiving more than 1 million donations this election. bernie sanders previously crossed 1 million donations, both have rejected high-dollar fundraisers. now warren is campaigning in new