The powers that be at CNN were in full outrage mode yesterday after Republican Sen. Martha McSally called Manu Raju, one of their congressional correspondents, a “liberal hack,” and refused to answer his questions. After the incident, much of the minimal airtime left over from trashing Donald Trump all day was expended in defense of Raju and the network, which they clearly feel, has been unfairly besmirched. I’ve got two words for them: toughen up. A statement from their PR department said, “It is extremely unbecoming for a U.S. Senator to sink to this level and treat a member of...