Luis Carlos Montalvan, a former Army captain who inspired Sen. Al Franken's first bill providing service dogs for disabled veterans, appeared on "The Late Show with David Letterman" Wednesday with his dog Tuesday.
Montalvan went on Letterman to promote his new book: "Until Tuesday: A Wounded Warrior and the Golden Retriever who Saved Him." The book, a New York Times bestseller, tells the story of Montalvan's struggle with post-traumatic stress disorder and how his service dog helped him cope with the illness.
Montalvan was the impetus behind Franken's first piece of legislation as a senator in 2009, after the two had met months earlier at President Obama's inauguration.
Franken's bill, which passed as part of the 2010 defense authorization bill, created a pilot program for about 200 disabled military veterans to get service dogs. Franken spokesman Ed Shelleby said the dogs are starting to be paired with veterans this month.
Watch Montalvan's interview with Letterman, who is a friend of Franken's, below. The two briefly discuss the Minnesota senator:
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