Protesters against the Gaza war staged a sit-in at a congressional office building Tuesday ahead of Israeli Prime Minister Benjamin Netanyahu’s address to Congress, with Capitol Police making multiple arrests. Netanyahu arrived in Washington Monday for a visit that includes meetings with President Joe Biden and a Wednesday speech before a joint session of Congress. Dozens of protesters rallied outside his hotel Monday evening, and on Tuesday afternoon, hundreds of demonstrators staged a flashmob-style protest in the Cannon Building, which houses offices of House of Representatives members. Organized by Jewish Voice for Peace, protesters wearing red T-shirts that read “Not...