House Republicans will not negotiate over the Senate’s immigration reform bill, Speaker John Boehner said, dealing another blow to the chances of an overhaul being signed into law this year. “Frankly, I’ll make clear, we have no intention of ever going to conference on the Senate bill,” Boehner told reporters Wednesday morning. The remarks are a major setback for immigration reform advocates. Many proponents of reform thought that if the House passed small-bore, tightly-focused immigration bills, it would create a pathway for a formal negotiation with the Senate’s bill. But conservatives have balked at entering into negotiations, because they fear...