The Fiscal Times has decided to put them to the test. Were asking them to pay the amount they would have paid to Uncle Sam if the Bush tax cuts had expired. For Mr. Buffett, thats $4.3 million more, based on his $46 million income from 2006. Not a small chunk of change to help bring down the growing deficit. (...) Luckily for them, paying up is easy. Anyone can make a charitable donation to the government through the Treasury Departments Gift to the Public Debt program