Drunk on his media-infused power, Parkland, Fla., high school student David Hogg has taken to targeting individual companies for advertising on Fox News Channel’s “The Ingraham Angle,” setting his sights on Arby’s. I hope they’ve stocked up on beef. A number of companies have pulled advertising from Ingraham’s show in response to a tweet Wednesday from the Fox News host about how Hogg “whines” online over being rejected by four colleges. The 17-year-old high school student, working in tandem with George Soros-backed Media Matters, called for a boycott after Ingraham’s tweet, sharing a list of her main advertisers online. (With...