WASHINGTON — The House on Thursday took up legislation that could set in motion changes in Puerto Rico's 112-year relationship with the United States, including a transition to statehood or independence. The House bill would give the 4 million residents of the island commonwealth a two-step path to expressing how they envision their political future. Initially, eligible voters, including those born in Puerto Rico but residing in the United States, would vote on whether they wish to keep their current political status or opt for a different direction. If a majority are in favor of changing the current situation, the...