Support WBURAsia In Focus As U.S. Expands Australia Defense TiesPlay04:24Download AudioJackie NorthamNovember 17, 2011 ShareAustralian Prime Minister Julia Gillard and President Obama hold a joint news conference in Australia on Wednesday. The U.S. is sending some 250 U.S. Marines to the country next year, a number that will later grow to 2,500. (AFP/Getty Images)