The Commission on Presidential Debates announced the moderators for this fall’s matchups. Each debate will have a single moderator and last for 90 minutes. One presidential debate will focus primarily on domestic policy and another on foreign policy. Here’s a brief rundown of the details: Jim Lehrer, executive editor and anchor of PBS’s “The NewsHour,” will moderate the first presidential debate on Sept. 26, at the University of Mississippi, Oxford, Miss. Gwen Ifill, “The NewsHour” senior correspondent and managing editor of PBS’s “Washington Week,” will host the vice presidential debate on Oct. 2 at Washington University in St. Louis, Mo. Tom Brokaw of NBC News will host a town-hall style debate between the presidential candidates on Oct. 7 at Belmont University, Nashville, Tenn. Bob Schieffer, CBS News chief Washington correspondent and “Face the Nation” host, will moderate the Oct. 15 presidential debate at Hofstra University, Hempstead, N.Y.