RENO, Nev. (AP) — President Donald Trump’s pick to become the next U.S. energy secretary pledged Thursday to uphold his predecessor’s promise to begin removing weapons-grade plutonium the government secretly shipped last year to a security site in southern Nevada.

Deputy Energy Secretary Dan Brouillette also said under questioning from Sen. Catherine Cortez Masto, D-Nev., at a committee hearing on his nomination in Washington D.C. that the department won’t take any action to restart efforts to build a nuclear waste repository at Nevada’s Yucca Mountain before Congress decides whether to financ...