IMO Arnold is a touch to the right of Riordan. Riordan has endorsed Democrats. I don't think Arnold has. Perhaps this is an immaterial distinction to you.
Arnold is already choosing Democrats for campaign advisers.
Riordan has endorsed Democrats. I don't think Arnold has. Arnold has endorsed one Democrat in the most glowing terms imaginable: Warren Buffett, the chief financier of the largest abortion provider in America, Planned Parenthood.
He called him, "my close friend and MENTOR"...