Let's form a new political party...
...the Rationals. I think religion and government ought to get out of the marriage business entirely. The only problem I might have with polygamy is some guy (or gal) hiding the fact that there are multiple spouses. Other than that, I'm not sure I care.
An Egyptian friend told me that in his country, he could have more than one wife, providing he could prove he could support the 2nd, or how many ever he had.
I've always thought taxation should be based on consumption.