You can be a Democrat if you’re First Nations, Hispanic, Asian, Caucasian, or African-American. You can be a Democrat if you’re a woman or a man, old or young, wealthy or not.
All you have to be is for decency. Examples:

so tell me, when was the last time the GOP elected a Senator like Ken Salazar or Barbara Jordan or S.I. Hiyakawa or that class photo at the top of this post?