WASHINGTON — A House committee voted Wednesday to authorize a subpoena for White House counselor Kellyanne Conway after she failed to show for a hearing on a government watchdog’s findings that she broke the law dozens of times. The House Oversight Committee voted, 25-16, for the subpoena after Special Counsel Henry Kerner said she blatantly violated the Hatch Act, a law that bars federal employees from engaging in politics during work. “Ms.