The European debt and financial crisis origins, options, and implications for the U.S. and global economy : hearing before the Subcommittee on Security and International Trade and Finance of the Committee on Banking, Housing, and Urban Affairs, United States Senate, One Hundred Twelfth Congress, first session, on examining the dimensions of the European economic crisis, including options for resolving it, and implications for the U.S. and global economy, September 22, 2011.