It seems bizarre that financial policy would get decided in a bill to repair roads and bridges and mass transit, but that’s the whole point of the Christmas tree strategy: If a bill is deemed “must pass,†then adding ornaments to it comprises a good strategy for getting things into law that otherwise might not receive a vote. Ryan touted this process as a positive example of new leadership. In recent years, House bills written in secret sped to the floor without the ability for alterations. But on the highway bill, over 80 amendments got a vote on the House...