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    Putin flexes expansionist muscles as GOP stalling starves Ukraine of military aid

    04:25
  • At least two killed in Houthi attack on shipping vessel

    01:28
  • Accused Pentagon leak suspect reaches plea agreement

    01:24
  • U.S. and U.K. forces carry out retaliatory strikes in Yemen

    01:47
  • 'Absolutely absurd': White House connects Ukraine losses to House GOP stalling on aid

    06:23
  • Five Marines killed in helicopter crash are identified

    02:00
  • Search underway for missing helicopter carrying 5 Marines

    02:19
  • John Brennan: U.S. must ‘take away that capability to strike U.S. forces’ from Iran-backed groups

    07:35
  • U.S. releases multi-nation statement on additional round of 'proportionate and necessary strikes'

    02:54
  • U.S. and U.K. launches strikes against Houthi targets in Yemen

    03:59
  • 'This is a conflict about Iran trying to export its influence' - Former NSC Director

    04:07
  • No comment from Biden at campaign headquarters following strikes in Iraq and Syria

    02:14
  •  U.S. airstrikes stir tensions in Iraq and Syria: Expert weighs in

    07:00
  • Ex-CIA Director calls U.S. strikes against Iran’s revolutionary guard a 'clear signal'

    09:16
  • Pres. Biden say U.S. military strikes will continue at 'times and places of our choosing'

    05:21
  • Johnson and Republican senators criticize Biden's retaliatory response against Iranian proxies

    05:16
  • Will U.S. military retaliatory strikes deter Iranian proxies or spark a wider regional conflict?

    05:06
  • What might come next in the tiered U.S. military retaliation against Iranian proxies

    06:50
  • Competing interests add peril to U.S. retaliation for military deaths

    04:01
  • U.S. 'has over-relied on military force,' says ex-Army Ranger Rep. Crow

    06:09

Former Defense Secretary warns nuclear risk higher with Trump

07:47

In 1962, William Perry's job was to track Soviet missiles during the Cuban Missile Crisis. Now, he's as worried as he's ever been about the threat of nuclear weapons. In an exclusive interview, former Secretary of Defense Perry joins Lawrence to explain why.