By Bill Zeeble, KERA Reporter
http://stream.publicbroadcasting.net/production/mp3/kera/local-kera-682936.mp3
Dallas, TX – Thousands of Democrats clogged polling places across the state as they lined up for the precinct conventions after regular voting ended. KERA's Bill Zeeble reports on the caucus process from one Dallas location, where hundreds of voters showed up to declare their preference for Senators Clinton or Obama.