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TIM RUSSERT's friends, family and colleagues gathered at the Kennedy Center in Washington, D.C., on Wednesday to honor the late newsman. Now, watch the heartfelt eulogies delivered by Russert's son, LUKE, and California first lady MARIA SHRIVER.

Raising a partially filled glass of water, Luke said: "For Tim Russert, his glass was always half-full. … In my 22 years, I've never met anybody filled with so much optimism. … My dad was a force of nature, and now his own cycle in nature is complete. … I love you, Dad."

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