Ideally a lot of this would reduce industrial pollution and CO2 emissions in general. BUT a full on combination of Nuclear, Wind, Solar and Geo seems to be a way to solve the power problem and probably fixing the power grid in general is needed. Better regulation of plastics or even switching over to bio-degradable plastics in most circumstances, and especially soft plastics. Plus a jobs programs to scoop up crap in the Pacific, just pay some guys with some nets to go out there and gather crap.
And yeah, CIA gets shipped off to various countries to face whatever fate they deserve.
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Ranked-Choice is just my go to for "America probably needs Multiple parties".
If we wanted to get super radical I'd also just restructure the whole government, mainly whichever party controls the House of Reps picks the president and reduce the senate to mainly oversight, advice, and amendments but I'd say maybe too much power is in that body. So like in 2018/19 when Nancy became Speaker I'd say Trumps presidency should have just ended; as in he is dismissed from power since what is the point of a person whose mandate is kind of dead but not dead occupying the office were they have just enough power to stop stuff, but no power to do anything? So I guess things would work a lot more like the UK, Canada or any continental European state. Control the House of Reps, and you control the White House. This also incidentally is my solution to the electoral college conundrum.
As for why America doesn't do this sort of thing vis a vis illegal immigration, well, we do love making sure Tyson Chicken and ConAgra are never left wanting.