sentences:  Other conservatives including Thomas Hoenig, Ed Prescott, Glenn Hubbard, and David Vitter also advocated breaking up the largest banks.On April 10, 2013, International Monetary Fund Managing Director Christine Lagarde told the Economic Club of New York "too big to fail" banks had become "more dangerous than ever" and had to be controlled with "comprehensive and clear regulation [and] more intensive and intrusive supervision".Ron Suskind claimed in his book "Confidence Men" that the administration of Barack Obama considered breaking up Citibank and other large banks that had been involved in the financial crisis of 2008.