House Speaker Mike Johnson convened a vote in the dead of night on Friday, calling lawmakers back to the floor after midnight in a push to preserve a surveillance program that allows federal agents to read the communications of Americans without a warrant. Twenty Republicans broke ranks and sank it, a sharp rebuke of both Johnson and President Donald Trump, who had spent the week personally working holdouts to back the bill. The failed vote caps weeks of bipartisan resistance to a clean reauthorization of the surveillance program, authorized under Section 702 of the Foreign Intelligence Surveillance Act. The 702 program permits wiretaps of communications ostensibly belonging to foreigners overseas, but is also known to intercept vast amounts of Americans’ emails, texts, phone calls, and other data—private messages that the FBI and other agencies routinely access without a warrant. Congressional authorization for the program will expire on Tuesday.…