As we approach the holidays, workers at the heart of the supply chain are threatening another strike. SMART Transportation Division -- An influential railroad worker union voted against a Biden-brokered labor deal Monday morning, raising the prospect of a strike before the holidays. This is prompting fresh supply chain and shipping concerns. If the two sides don't reach an agreement, the rail workers can strike after Dec. 9.  Boyd Matheson, Host of Inside Sources joins the show to discuss how congress can get involved and avert a rail strike. 

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