90% of American people (including Democrats and blacks) want to require proof of citizenship to vote. So why are Democrat leaders blocking it?

90% of American people (including Democrats and blacks) want to require proof of citizenship to vote. So why are Democrat leaders blocking it?
Updates
8 d
Makes you wonder. Who the heck are the 10% who DON'T want a proof of citizenship requirement in order to vote? Illegals who are being paid by Democrats to vote illegally?
90% of American people (including Democrats and blacks) want to require proof of citizenship to vote. So why are Democrat leaders blocking it?
Post Opinion