WASHINGTON — The White House has begun to notify Congress of its request to eliminate “all” public broadcasting funding and codify foreign aid cuts identified by Elon Musk’s Department of Government Efficiency, The Post has learned. Major proposed clawbacks in the so-called “rescissions” plan include $1.1 billion in appropriated funding for the Corporation for Public Broadcasting, which provides funds to PBS and National Public Radio, and $8.3 billion from USAID. A memo drafted by White House budget director Russ Vought — and requested by GOP congressional leaders — accuses CPB of a “lengthy history of anti-conservative bias” and cites “waste,...