The following commentary comes from an independent investor or market observer as part of TheStreet's guest contributor program, which is separate from the company's news coverage.NEW YORK ( TheStreet) -- In a recent article, I suggested five revenue-raising measures that would yield $573 billion annually and significantly cut the U.S. budget deficit. Earlier, I suggested legalizing drugs, and I estimated that would yield an additional $32 billion a year. In short, while government expenditure cuts will have to be made, tax increases can also play a significant deficit-reduction role. But what should be done about the Bush tax cuts? Read on.