Mexico experts: Passageway may lead to Aztec ruler's tomb

MARK STEVENSON, Associated Press

U.S. sending new special ops force to fight Islamic State

DEB RIECHMANN, Associated Press

Voters wonder if Cruz can heal Washington's bitter divisions

JULIE PACE, AP White House Correspondent

Obama says Russia may finally come around on Assad's future

NANCY BENAC, Associated Press

Los Angeles deputy describes rescuing newborn buried alive

ROBERT JABLON, Associated Press

Defense chief: U.S. expanding special operations force in Iraq

WASHINGTON (AP) — Defense Secretary Ash Carter says the U.S. is expanding the U.S. special operations force in Iraq to help Iraqi and Kurdish forces fight Islamic State militants.

Kevorkian archive opens as physician-assisted deaths rise

JEFF KAROUB, Associated Press

Calendars show Clinton made time at State for supporters

STEPHEN BRAUN, Associated Press

Suspect in Colorado clinic shooting to appear in court

SADIE GURMAN, Associated Press

Obama: Climate pact an 'act of defiance' after Paris attacks

NANCY BENAC, Associated Press