Maybe Mueller is going to ask Rohrabacher what Julian Assnge told him about who provided the e-mails.
Last time Rohrabacher was on the front page:
Assange meets US congressman, vows to prove Russia did not leak him documents
Julian Assange told a U.S. congressman on Tuesday he can prove the leaked Democratic Party documents he published during last year’s election did not come from Russia and promised additional helpful information about the leaks in the near future.