WASHINGTON (AP) — The Republican-led Senate, taking little time to fill two critical national security posts, overwhelmingly confirmed a pair of retired Marine generals tapped by President Donald Trump to run the Pentagon and secure America's borders. A little more than an hour later, Vice President Mike Pence administered the oath of office to James Mattis to be defense secretary and John Kelly to lead the Department of Homeland Security. Lawmakers last week passed legislation that Trump signed shortly after being sworn in that granted Mattis a one-time exception from the law that bars former U.S.