The escalating feud between Florida Gov. Ron DeSantis and former United Nations Ambassador Nikki Haley has hit the airwaves, with the super PACs boosting their campaigns launching dueling TV ads over the weekend. SFA Fund Inc., the group backing Haley, is up with a new 30-second spot responding to attacks from DeSantis over her past comments about refugees from Gaza. A narrator says DeSantis is “lying” and “throwing mud,” and the ad then plays footage of Haley saying: “I’ve always said we shouldn’t take any Gazan refugees in the U.S.” The ad has aired in Iowa and in markets covering...