House Speaker John A. Boehner on Thursday flatly ruled out chances of the House passing the Senate’s immigration bill, saying his chamber will debate its own bill instead. Mr. Boehner and his top GOP lieutenants issued a joint statement that seemed designed to tamp down some of the momentum behind the Senaate bill, which emerged from a Senate committee on a bipartisan 13-5 vote earlier this week, and to stake out a House GOP position