Democrats are pro-growth and advocate for tax cuts. The Democratic congress passed the largest middle-class tax cut in history earlier this year.
"Pro-growth" tax cuts include the lowering of top marginal rates, capital gains taxes, and corporate taxes.
Court-packing doesn't sound authoritarian to you? And do you really think he was trying to avoid entering the war at all costs?
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As for the topic...While I abhor the moralistic bent the GOP has been on, I think a valid argument lies in the idea that Republicans are less apt to see the country as a nation of races, whereas the Democrats often do.
So I have no problem with identifying as "The Party of Lincoln". Edit: Actually, I'd rather we not do that, as it's unfair to the Dems. I'm going to concur with the aforementioned comments that the GOP abandon its identification with Lincoln, TR, etc., and the Dems abondon their identification with Kennedy. Deal? Good.
Edit #2: I'd actually prefer it if the Democrats didn't take credit for the Clinton years, but maybe I'm pushing it.