Following a string of guarantees, buy-outs, and bailouts for various financial firms, Congress is now rushing to authorize the Treasury Secretary to spend $700 billion to bail out the rest of Wall Street. Since its role in the sale of investment bank Bear Stearns to rival J.P. Morgan in March, the federal government has intervened three times in the nation's financial markets by using taxpayer dollars to prop up the value of various private banking and mortgage entities. While taxpayers ought to be concerned about the sums of money involved in these transactions, a more fundamental problem exists: the bottom-line cost is anybody's guess.