1.) I agree. However, if it other countries can impose tariffs at the drop of a hat and it takes a literal act of congress to pass a tariff, they'll never happen. Would that be a good thing? Maybe. Maybe not. Congress is obviously mostly useless. I was reading, of all things, a buzzfeed a few months ago where the biggest gripes of current house/senate members were along the lines of "it takes way too long to get anything done" and "I'm pretty sure most of my peers drink on the job"
I used the "act of congress" phrase intentionally, as it is generally a euphemism that describes, among other things, how long something can take or how hard it is to approve a thing.
2: What 10 democrats would work with Trump? It would be gridlock for four years (which is fine).