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Joe Biden calls major union leader, fueling speculation on run

Biden spoke with International Association of Fire Fighters President Harold Schaitberger for about 20 minutes, a source told NBC News.

Vice President Joe Biden reacts to reporters' questions about him running for president while he waits for the arrival of President Park Geun-hye of South Korea at the Naval Observatory, Oct. 15, 2015 in Washington, DC. (Photo by Chip Somodevilla/Getty)
Vice President Joe Biden reacts to reporters' questions about him running for president while he waits for the arrival of President Park Geun-hye of South Korea at the Naval Observatory, Oct. 15, 2015 in Washington, DC. Getty Images

Kristen Welker

Kristen Welker is the moderator of "Meet the Press."