David Brooks is facing a wave of online backlash after the longtime columnist branded Maine Democratic Senate candidate Graham Platner a “moral degenerate” on national television — prompting critics to dredge up Brooks’ own personal history. The Atlantic writer and former New York Times columnist unloaded on Platner during Friday’s PBS NewsHour roundtable, where he was asked about allegations involving the Democratic candidate, including reports of sexually explicit messages sent to women while married as well as claims by former romantic partners that he was physically rough during arguments. Platner has denied allegations of violence. David Brooks (seen left with...