U.S. Secretary of the Treasury Henry Paulson speaks at the Ronald Reagan Presidential Library and Museum in Simi Valley, Calif., Thursday, Nov. 20, 2008. Paulson called the financial crisis now plaguing the world economy a "once or twice" in a 100 years event, even as he warned Thursday against imposing too-strict regulations to prevent a repeat calamity. (AP Photo/Reed Saxon)

U.S. Secretary of the Treasury Henry Paulson speaks at the Ronald Reagan Presidential Library and Museum in Simi Valley, Calif., Thursday, Nov. 20, 2008. Paulson called the financial crisis now plaguing the world economy a "once or twice" in a 100 years event, even as he warned Thursday against imposing too-strict regulations to prevent a repeat calamity. (AP Photo/Reed Saxon)

U.S. Secretary of the Treasury Henry Paulson speaks at the Ronald Reagan Presidential Library and Museum in Simi Valley, Calif., Thursday, Nov. 20, 2008. Paulson called the financial crisis now plaguing the world economy a "once or twice" in a 100 years event, even as he warned Thursday against imposing too-strict regulations to prevent a repeat calamity. (AP Photo/Reed Saxon)

U.S. Secretary of the Treasury Henry Paulson speaks at the Ronald Reagan Presidential Library and Museum in Simi Valley, Calif., Thursday, Nov. 20, 2008. Paulson called the financial crisis now plaguing the world economy a "once or twice" in a 100 years event, even as he warned Thursday against imposing too-strict regulations to prevent a repeat calamity. (AP Photo/Reed Saxon)

Treasury Secretary Henry Paulson, left, accompanied Federal Reserve Chairman Ben Bernanke, testifies on Capitol Hill in Washington, Tuesday, Nov. 18, 2008, before the House Financial Services Committee. (AP Photo/Evan Vucci)

Treasury Secretary Henry Paulson, left, accompanied by Federal Reserve Chairman Ben Bernanke testifies on Capitol Hill in Washington, Tuesday, Nov. 18, 2008, before the House Financial Services Committee. (AP Photo/Evan Vucci)

Treasury Secretary Henry Paulson, left, and Federal Reserve Chairman Ben Bernanke testify on Capitol Hill in Washington, Tuesday, Nov. 18, 2008 in Washington, before the House Financial Services Committee. (AP Photo/Evan Vucci)

Treasury Secretary Henry Paulson, left, accompanied Federal Reserve Chairman Ben Bernanke, testifies on Capitol Hill in Washington, Tuesday, Nov. 18, 2008, before the House Financial Services Committee. (AP Photo/Evan Vucci)

Treasury Secretary Henry Paulson, left, and Federal Reserve Chairman Ben Bernanke testify on Capitol Hill in Washington, Tuesday, Nov. 18, 2008 in Washington, before the House Financial Services Committee. (AP Photo/Evan Vucci)

Treasury Secretary Henry Paulson, left, and Federal Reserve Chairman Ben Bernanke arrive on Capitol Hill in Washington, Tuesday, Nov. 18, 2008, to testify before the House Financial Services Committee. (AP Photo/Evan Vucci)