For Democrats, the challenges they faced Thursday just days before their self-imposed holiday deadline appeared immense: Despite considerable legislative legwork, they continued to tinker with a slew of spending proposals related to climate, health care and taxes. They faced a major setback over their attempts to reform immigration. And some admitted they had not yet completed the lengthy, intricate process that would allow them to bring the bill, known as the Build Back Better Act, to the chamber floor in a manner that could skirt Republican opposition.
