The Senate is taking a prolonged procedural vote dragging past a third hour during a rare Saturday evening session as Republicans struggled to advance President Donald Trump’s package of tax breaks, spending cuts and bolstered deportation funds by his July Fourth deadline. The proceedings came to a standstill and Vice President JD Vance arrived at the Capitol to break a potential tie. Tense scenes were playing out in the chamber as senators huddled in negotiations, and then broke off for private meetings. Several Republican senators were registering their opposition to proceeding. Republicans are using their majorities in Congress to push...