Who is John Kelly, President Trumps new chief of staff?

Retired Marine Gen. John Kelly is a battle-hardened commander who would bring a background of military discipline and order to President Donald Trumps roiling White House as the new chief of staff.

Retired Marine Gen. John Kelly is a battle-hardened commander who would bring a background of military discipline and order to President Donald Trumps roiling White House as the new chief of staff.

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