(The Hill) The Senate Intelligence Committees decision to subpoena Donald Trump Jr. is putting a spotlight on a split within the GOP conference between it and another key panel investigating the 2016 election the Senate Judiciary Committee. The Intelligence Committee has long been seen as the last bipartisan investigation into the 2016 election on Capitol Hill. Chairman Richard Burr (R-N.C.) and the panels ranking Democrat Sen. Mark Warner (Va.) have worked closely together and generally avoided partisan fights. News of the Trump Jr. subpoena provoked GOP criticism of Barr with Warner coming to his defense. The Judiciary Committee has been seen as a more partisan panel and its chairman Sen. Lindsey Graham (R-S.C.) is now plotting an investigation into the handling of the Hillary Clintons email probe and GOP concerns that the Obama-era FBI spied" on Trumps presidential campaign. Trump and his allies have accused the issue of being swept under the rug." Graham who took over the Judiciary Committee in January distanced himself from the Trump Jr. subpoena the first known instance of a subpoena directed toward one of the presidents children.