There's video of a Congressional hearing on suicides among returning veterans at CBS. Congressman Walz is seen a couple of times in the news feature, most notably as part of the applause given in respect to a late soldier's parents' testimony about their son:
Congress Looks At Vet Suicides
Following a CBS News investigation, Congress held an emotional hearing on the issue of the high rate of veterans' suicides. Chief investigative correspondent Armen Keteyian reports.
C-Span has put up streaming video of yesterday's hearing here.
Here's a YouTube of the CBS Coverage via Daily Kos: A Thank You to the House Veterans Affairs Committee from a Concerned Citizen: