If it's a straight line from Nixon to Trump as you say, then why claim Republicans are environmentalists with Nixon as your example?
He said straight line THROUGH Nixon and Trump, not straight line TO Nixon and Trump.
The former implies distinct and self-evident political differences, whereas the latter implies political evolution from one into the other where both politicians have a common set of political similarities.
I can't help but think at this point that we're reaching comprehension issues...
Both sides are bad. And by that I mean Democrats never represent the Left while routinely allowing the Right to exert their selfishness and greed. They are controlled opposition to frame American politics as a binary, when in reality an entire half of the political spectrum could be represented to widespread approval