WASHINGTON, February 6 (Itar-Tass) -- The United States regrets that Kyrgyzstan is considering to close the Manas US air base and is looking for a substitution in neighboring Uzbekistan. Secretary of State Hillary Rodham Clinton said on Thursday “it's regrettable that this is under consideration by the government of Kyrgyzstan.” But she stressed it would not impede US plans to expand its military presence in Afghanistan. Clinton said the Pentagon was “conducting an examination as to how else we would proceed” in the event the Manas air base is no longer available. The Associated Press quoted unnamed defense officials as...