The primaries are still ongoing. This is exactly when this should come up. The more candidates have this on their campaign PR the more likely it is to come up as an issue in Congress should they win their races. It may even be adopted by other candidates as a competitive gesture. It will get inserted into bills, etc. and at the very least it will scare people.
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The Republicans owned the Senate for 1,460 days - and they didn’t do crap to subpoena any of Hunter and James Biden’s Billions, nor did they enforce any subpoenas on any of Hunter’s associates.
They were working with spies and no one cared to investigate.
GOP controlled all the Committees. With a simple 15 minute Vote, they could have done it.