Actually, he's running as a Democrat but he's actually registered as an Independent in the Senate. He runs as a Democrat because it's almost impossible for a third-party candidate to win. No, he is not a complete socialist. He's definitely a mixed market capitalist. The proper term to refer to his ideology is "Social Democracy" which is the system they have implemented in Scandinavia.

Bernie Sanders was one of the major critics in Congress of the Iraq War. He believes that we should only go to war if we are under direct attack and has congressional approval. He has described his foreign policy as a foreign policy that focuses on "democracy, human rights, diplomacy and peace, and economic fairness".

A recent poll showed him beating Trump by 8 points in Florida. However, Florida isn't that big of a swing state as it used to be. The three major swing states for 2020 are Pennsylvania, Michigan, and Wisconsin.

As far as I know, he hasn't discussed automation yet.

He has written many bills which lay out his tax plan. It would have to be passed by Congress.

In 2016, Trump won because of his support in the Rust Belt and that was because Trump opposed all of the disastrous trade agreements which outsourced American jobs in the Rust Belt. Bernie is a staunch opponent of the disastrous trade agreements which outsourced jobs in the Rust Belt. His policies are also supported by the majority of the American people.