Like they're not progressive enough already?
The top 25 percent of earners (AGI over $65,000) already pay 86 percent of Federal income taxes. The top 1 percent (AGI over $365,000) pay 40 percent of the taxes.
Look around at anything paid for by Federal tax dollars, other than entitlements, and you are pretty much looking at something the hated rich paid for. Including everything NASA does.
Rangel is a stalking-horse from a nice, safe district. Hillary tossed him into the ring to see what happens without risking her own political skin.