Rep. John Garamendi (D-Calif.) is urging the Trump administration to pursue near-term arms control steps with Russia while opening parallel, if incremental, discussions with China – warning a treaty lapse risks accelerating a destabilizing nuclear competition. Signed in 2010 by then U.S. and Russian Presidents Barack Obama and Dmitry Medvedev, the New Strategic Arms Reduction Treaty (New START), which hit its expiration Feb. 5, limits each country to 1,550 deployed nuclear warheads, 700 deployed missiles and bombers, and 800 non-deployed…