White House to Block Possible Testimony from Lev Parnas: Report

The White House will block any attempt to summon Rudy Giuliani associate Lev Parnas to testify in the Senate impeachment trial, the Wall Street Journal reported on Monday.Parnas, who was involved in Giuliani's efforts to dig up dirt on Joe Biden, made explosive claims regarding President Trump's involvement in Ukraine during a series of interviews released on Wednesday."President Trump knew exactly what was going on,” Parnas said in an interview with MSNBC’s Rachel Maddow.