The Republican Senate will take a vote to either support or denounce Donald Trump's national emergency declaration. There have been a handful of Republicans who have voiced their concern over Trump's drastic measure, but will they actually walk the walk and vote against Trump?

The field of 2020 candidates continues to materialize. There were a few potential Democratic candidates who said they will NOT run in 2020. What does that mean to the larger field? And does Bernie still have the energy that he had in 2016?

Guest host Sabrina Siddiqui welcomes Lauren Gambino from The Guardian, Matt Gertz from Media Matters and Pema Levy from Mother Jones!

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