WASHINGTON, United States (AFP) — Hurricane-ravaged Puerto Rico on Wednesday launched a new drive to become the 51st US state, with the island’s governor demanding an end to “second-class” treatment of its citizens. Puerto Rico’s more than three million residents are US citizens, with no obstacles to living and working on the mainland. Yet the US commonwealth in the Caribbean has just a non-voting delegation in the US Congress in Washington, and Puerto Rico residents […]