Congress released nearly 200 pages of newly uncovered emails involving former Secretary of State Hillary Rodham Clinton, raising questions Monday about whether the Obama administration and the Democratic presidential candidate herself were truthful when they said they turned over all of her email communications on Benghazi. Rep. Trey Gowdy, chairman of the select House committee looking into the 2012 terrorist attack in Libya, demanded the State Department say whether it has the emails — a way of testing whether the administration withheld them against the wishes of the committee, or whether Mrs. Clinton never turned them over in the first...