FILE - In this July 11, 2012 file photo, Australia's Deputy Prime Minister and Treasurer Wayne Swan speaks to the media after delivering a speech at the "RMB Cross-border Trade and Investment Forum" in Hong Kong. Swan warned Friday, Sept. 21, 2012 that the greatest threat to the U.S. economy are the "cranks and crazies" in the Republican Party, a rare foray into American domestic politics that was blasted by the opposition. (AP Photo/Kin Cheung, File)

Associated Press
FILE - In this July 11, 2012 file photo, Australia's Deputy Prime Minister and Treasurer Wayne Swan speaks to the media after delivering a speech at the "RMB Cross-border Trade and Investment Forum" in Hong Kong. Swan warned Friday, Sept. 21, 2012 that the greatest threat to the U.S. economy are the "cranks and crazies" in the Republican Party, a rare foray into American domestic politics that was blasted by the opposition. (AP Photo/Kin Cheung, File)
FILE - In this July 11, 2012 file photo, Australia's Deputy Prime Minister and Treasurer Wayne Swan speaks to the media after delivering a speech at the "RMB Cross-border Trade and Investment Forum" in Hong Kong. Swan warned Friday, Sept. 21, 2012 that the greatest threat to the U.S. economy are the "cranks and crazies" in the Republican Party, a rare foray into American domestic politics that was blasted by the opposition. (AP Photo/Kin Cheung, File)
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