WASHINGTON, United States (AFP) — In one of the most extraordinary scenes in years on the US House floor, Democrats staged a dramatic sit-in Wednesday, demanding that the Republican-led Congress address gun violence following the Orlando nightclub massacre. The lawmakers’ action, which earned praise from President Barack Obama, signaled what is likely to be a protracted election-year battle over firearms — perennially a hot-button campaign issue in the United States. “We have to occupy the […]