Ramesh Ponnuru: Bipartisan battle lines on confirmations are hardening

Scott Pruitt, the embattled director of the Environmental Protection Agency, still has his job in part because the White House doesn’t think it can get anyone it would want to replace him confirmed by the Senate. Gina Haspel’s nomination to be director of the Central Intelligence Agency is hanging by a thread.Both cases are part of a larger trend: The partisan battle lines over confirmation are rapidly hardening.When President Barack Obama took office, his first EPA director, Lisa Ja