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A White House military aide and member of the US Navy carries a briefcase known as the "football," containing emergency nuclear weapon codes, as US President Barack Obama departs on Marine One from the South Lawn of the White House in 2012.
A White House military aide and member of the US Navy carries a briefcase known as the "football," containing emergency nuclear weapon codes, as US President Barack Obama departs on Marine One from the South Lawn of the White House in 2012.

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    Some Dems worry Trump too 'unstable' for nukes

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Some Dems worry Trump too 'unstable' for nukes

Congressional lawmakers raised concerns about President Donald Trump's ability to use nuclear weapons during a hearing on Capitol Hill. CNN's Barbara Starr reports.

Some Dems worry Trump too 'unstable' for nukes

Congressional lawmakers raised concerns about President Donald Trump's ability to use nuclear weapons during a hearing on Capitol Hill. CNN's Barbara Starr reports.