Senator Ted Cruz (R-TX) grilled U.S. officials on whether the FBI had any involvement in the Jan. 6th attack on the Capitol by pro-Trump rioters. During a U.S. Senate hearing, in which national security officials from the Department of Justice testified before the Senate Judiciary Committee on the threat of domestic terrorism, Cruz pushed a theory that has been made prominent by Fox News host Tucker Carlson. ... Cruz asked a series of questions, including, “How many FBI agents or confidential informants actively participated in the events of Jan. 6?” Jill Sanborn, the executive assistant director for the FBI’s National...