There are a ton of liberals who support Ron, and will continue to.
Some points that Ron makes that bleeding hearts agree with:
Ending the war in Iraq
Ending government corruption
Upholding all of our liberties which leads into...
Ending the patriot act, big government spying on you
Moving power from the federal government into the states so they can decide (which means gay marriage will be allowed in states that vote for it, which California... cmon...)
By eliminating income tax, I'm guessing the government would raise it's funds from sales tax. A flat sales tax would eliminate a lot of the problems with illeagal immigrants, in that they would pay like everyone else. Although he would have a very strong border, a streamlined process towards citizenship, along with no welfare state and no income tax means that immigrants would play on the same field as native american-born people, and that the general populace wouldn't be so up in arms about it.
Plus, if he has seen Michael Moore's movie, let him know that if you DON'T socialize medicine and make it a private enterprise, you open medicine up to all the price controls in our current market, which is a good thing. Prices go down to what people are willing and able to pay, otherwise the doctors go broke. Also, by eliminating regulations on basic healthcare, nurses can no wtreat common colds and crap like that, saving an enormous amount of money, as well as waiting times, etc. Doctors could focus on what they went to school for... treating specialized, complicated medical issues. Although it would be privately paid for, the costs would be dramatically lower, and as Buffet showed us, the power of charity from private coorporations can be incredible.