Team Rubicon co-founder Jake Wood on his life of service, relying on hope

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The moment Jake Wood played his last game of college football, he began training for the Marines. He served combat tours in Iraq and Afghanistan, then found himself back in the United States while there were still places around the world that needed help. He discusses his continued service in his new book, “Once a Warrior,” including a portion of the audiobook, courtesy of Penguin Random House. NBC’s Harry Smith has this week’s Sunday Spotlight.