According to liberals, asking for some form of ID when voting, is "disenfranchising" the blacks. How come the blacks don't take offense to that kind of speech coming from the left? Why would the left want to demean the blacks with that kind of talk?

It's all politics. Clinton can't run on her own policies so she has to make up lies and throw mud. Hillary has no wish to improve America, just exploit it for power and her own avarice.