Fannie and Freddie Bailout

Promises by the U.S. Treasury and Federal Reserve to support Fannie Mae and Freddie Mac have not reassured shareholders. By noon Tuesday, shares of Fannie Mae dropped 23.5% and Freddie Mac plunged 24.9%. Given the loss of investor confidence in these mortgage finance companies, it appears that the promised equity investment by the Treasury may be utilized. In addition, Paulson proposed increasing Fannie and Freddie's $2.25bn credit lines to an undetermined amount to ensure "flexibility" and "minimize taxpayer risk."

Snapshot asks, what is the limit of taxpayer responsibility to maintain Fannie and Freddie's share price and help maintain financial stability?

Wall Street Journal - Bernanke, Paulson Aim for Stability with Fannie, Freddie Proposal
U.S. Treasury - Testimony by Secretary Henry M. Paulson, Jr.
Ben Bernanke - Semiannual Monetary Policy Report to the Congress