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If you want to understand headlines like these—which will become increasingly frequent—you have to get up to date on your Theory
Within a CRT paradigm, “whiteness” is only tangentially related to skin color. It’s more of a euphemism for political capital. POC’a can be “whitened” by protecting, generating, & garnering this capital for themselves
If you haven’t already, you really must read Cheryl Harris’ seminal, “Whiteness as Property” https://sph.umd.edu/sites/default/files/files/Harris_Whiteness%20as%20Property_106HarvLRev-1.pdf
Yosso’s well known “Whose culture has capital?” Is also relevant here
https://thrive.arizona.edu/sites/default/files/Whose%20culture%20has%20capital_A%20critical%20race%20theory%20discussion%20of%20community%20cultural%20wealth_1.pdf
https://thrive.arizona.edu/sites/default/files/Whose%20culture%20has%20capital_A%20critical%20race%20theory%20discussion%20of%20community%20cultural%20wealth_1.pdf
We saw a lot of this crop up surrounding Kanye last year (having black skin v being “politically black”). E.g., https://www.teenvogue.com/story/kanye-west-is-what-internalized-racism-and-misogyny-looks-like
It’s why Karen Brodkin has says that Jews have become white (ie assimilated & amassed cultural capital): https://www.amazon.com/Became-White-Folks-About-America-ebook/dp/B000SBGV68
Similar things are now said about Asians: https://www.theatlantic.com/education/archive/2018/08/the-whitening-of-asian-americans/563336/
One alleged (CRT) explanation for POC engagement in whiteness (besides internalize oppression) is this 
the ability to evade racial conversations via hegemonic myths/narratives/norms, etc
the ability to evade racial conversations via hegemonic myths/narratives/norms, etc
As always, the @NewDiscourses entry on “whiteness” is helpful: https://newdiscourses.com/tftw-whiteness/
In response to a comment re whether this piece of CRT is being applied to Latinos. The answer is (predictably), yes. https://twitter.com/tlloydcline/status/1351210129513975814
A funny but good demonstration of how this can be seemingly infinitely applied. It’s about power dynamics vis a vis systems of domination: https://twitter.com/conceptualjames/status/1351186438897999873
