...more info...
http://yalejreg.com/nc/d-c-circuit-review-reviewed-a-special-judge-kavanaugh-edition-co-authored-by-jenn-mascott/
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Even as a new judge, Judge Kavanaugh focused his attention on the constitutional accountability of the administrative state. In 2008, during his second year on the bench, Kavanaugh issued a lengthy dissenting opinion in
Free Enterprise Fund v. Public Company Accounting Oversight Board. The panel in the case upheld the structure of the PCAOB, established by the Sarbanes-Oxley Act in 2002. The PCAOB was designed as an “independent” board whose members are appointed by the Securities and Exchange Commission. Was that independence—obtained by removal protections—constitutional? The panel said yes; after all, the Supreme Court has held that some restrictions on presidential removal are permissible.
https://www.cadc.uscourts.gov/internet/opinions.nsf/DC680786101321BA8525780000551AC0/$file/07-5127-1134687.pdf