I'm a Republican, I vote, and I say the Bush tax cuts should expire. Congress needs to work together to pass a budget that avoids the "fiscal cliff", and that includes generating more revenue to decrease the imploding deficit. To raise revenue, a fair share of taxes needs to be paid by all, and that includes a bigger percentage from the ultra-rich and also eliminating loopholes used by upper class earners and investors which bring their effective tax rate down below the average middle class family's tax rate.
Warren Buffet puts forth some strong ideas:
http://www.nytimes.com/2012/11/26/opinion/buffett-a-minimum-tax-for-the-...
Finally - a wealthy person who makes sense.