CNN Inside Politics: A Party in Turmoil

First: Democrats are at odds over how to handle the looming government shutdown. We have new reporting from inside their tumultuous private meetings. 

Plus: From daytime talk show to Senate confirmation hearing right now, Dr. Memet Oz is trying to convince senators that he's done hawking dubious supplements and ready to lead the agency in charge of Medicare and Medicaid. 

And: Is Donald Trump in his expansionist era? We're learning his inspiration may be a little-known, 19th-century president who fought a war with Mexico to expand the United States to the Pacific Ocean. 

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