WASHINGTON (AP) — Addressing concerns about the working conditions for some Capitol Hill aides, Speaker Nancy Pelosi announced on Friday a $45,000 minimum annual salary for House staff and teed up for a vote next week a resolution that would pave the way for aides to join a union. While jobs on Capitol Hill are highly coveted and can lead to big salaries down the road, the work often involves grueling hours and low pay in a region where steep housing costs can leave little money for other necessities. Lawmakers set the pay for their aides.