Obama's numbers fell by a slightly larger amount over his first few months because he enjoyed much more support right at the start from Republicans, support that eroded quickly.
The data - on issues and on Trump himself - keep pointing back to 'one-in-four' as the true size of Trump's base. It is around one in four who like the tweeting, like the insults, the things other people say are mean or unproductive behavior.
Tax reform exists, sort of, as an outline - miles away from being actual passed legislation.
It is fair to debate how much either bill - Obamacare in 2010, tax reform in 2018 - had or will have an impact on the midterms.
One thing that is fairly undeniable about Trump - love him or loathe him - is his understanding of how to manipulate the media and to perpetuate a symbiotic relationship with the press.
For some in my generation, Sept. 11th was a moment of political awakening. For others, the Iraq War or the financial crisis or the rise of Obama were the major events of their teenage years that began to lay the foundation for their views.
