I believe it is up to the voters of respective state(s) to recall their respective member(s) of the Senate.
Pretty sure the HoR as a legislative body is "locked out" of intruding on proceedings in the Senate.
************
That said....
If they really wanted to shine the light on "the real problem"...
*******************
Some aggressive moves in the arena of public opinion bia the blogosphere and new media outlets would at least turn up the heat!
"Shine the light -- the 'Rats will scatter!"
Is Harry Reid sick , last week he lips were very blue and yesterday his face looked very puffy , would he be on meds