He said he would try to negotiate a deal with President Trump if Assange provided proof that it wasn't Russia who hacked the DNC, but he only got as far as Trump's Chief of Staff General Kelly who never took it any further.
https://www.rohrabacher.com/news/my-...julian-assange
(hint: It's old feckin' news )
https://losangeles.cbslocal.com/vide...russia-claims/