War on ISIS needs 'boots on ground': US air force secretary
USAF secretary says airstrikes alone won't stop jihadists, days after Pentagon chief says more special forces could be sent to Syria.
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Deborah James
News and updates about Deborah James
Putin Threatens as US Continues East Europe Arms Buildup
Cold War heats up as Russia expands nuclear arsenal while US considers sending most advanced fighter jet to east Europe.
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