United States Politics: ∆τ_i*ε*φ*m_i<0 where ε=4 and φ=0.25

[benji]

Some claimed Schwarzenegger’s endorsement is shocking, but he’s been outspoken about Trump forever and I think endorsed Biden in 2020.

Every election has Republicans and Democrats "endorsing for the first time" someone across the aisle and it's treated as this amazing thing when it's totally normal. Arnold hasn't supported Republican presidential candidates since Romney. He was nearly one of these guys: https://en.wikipedia.org/wiki/Republican_and_conservative_support_for_Barack_Obama_in_2008

There used to be more pages like this, but Wikipedia seems to have purged most of them except these:
https://en.wikipedia.org/wiki/List_of_Democrats_who_opposed_the_Hillary_Clinton_2016_presidential_campaign
https://en.wikipedia.org/wiki/List_of_Republicans_who_opposed_the_Donald_Trump_2016_presidential_campaign
https://en.wikipedia.org/wiki/List_of_Republicans_who_opposed_the_Donald_Trump_2020_presidential_campaign
https://en.wikipedia.org/wiki/List_of_former_Trump_administration_officials_who_endorsed_Joe_Biden

This is the only really old entry:
https://en.wikipedia.org/wiki/Democrats_for_Nixon

But there were Republicans who rejected Reagan, Democrats who supported Eisenhower, etc.