Andy O’Brien, the communications director for the Maine AFL-CIO, a statewide federation of 160 local unions, posted on social media, suggesting Democrats who refuse to support Democrat U.S. Senate nominee Graham Platner should face execution after a “revolution.” O’Brien shared a link to a the Hill opinion piece titled, “I’m a Democratic Strategist. I Won’t Stay Silent About Graham Platner,” by Democrat strategist Laurie A. Watkins. Watkins wrote that a career spent fighting for Democratic causes does not mean blindly supporting every candidate with a “D” by their name. O’Brien’s response was brutal, saying political consultants like Watkins would be...