The judge in the Roger Clemens perjury trial ruled Monday that defense lawyers can't call Rep. Darrell Issa as a witness.
Issa is chairman of the House Oversight and Government Reform Committee, the panel that Clemens allegedly lied to in 2008 when he denied taking performance-enhancing drugs.
Issa, a California Republican, wasn't chairman at the time, and he had criticized the committee for holding the hearing on drugs in baseball. Defense lawyers hoped his testimony would help call into question the hearing's legitimacy, and sent a subpoena to the committee to try to compel his appearance as a witness.
Lawyers for the committee filed a motion to quash the subpoena. They said his appearance at the trial should be barred under the Constitution's speech or debate clause, which protects elected officials from being questioned in a lawsuit about their legislative work.
In granting that motion, U.S. District Judge Reggie Walton said he didn't have to invoke the speech or debate clau...