@marty_lederman and @BarbMcQuade have got the answer
Two provisions—under Rule 6(e) itself—permit sharing grand jury info with Congress
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Expert tip 2: Barr is apparently daring Congress with idea it needs to start impeachment proceedings to qualify for the other provision. Lederman's analysis shows that's false.
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Barbara McQuade's analysis is here: justsecurity.org/63470/how-barr…
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