“Why Are Murders Of Gay And Bi Men Up A Staggering 400 Percent?” asks the headline atop Michelangelo Signorile’s new HuffPost column, shared at least 13,000 times so far “Hint: This Alarming Surge Has Taken Place Since Donald Trump Became President,” adds HuffPost unsubtly in a tweet promoting the column. If your response was to wonder first whether such murders are in fact skyrocketing, yours is the right instinct. With the FBI reporting 11,821 male homicide victims in the U.S. in 2016, even a conservative estimate of how many are gay or bisexual yields a number of annual victims well into the hundreds, and perhaps significantly above that. Were such a number to jump by 400 percent, it would generate a noticeable blip of 1,000 or more extra gay male murder victims in a single year. Terrifying, right? But Signorile, it seems, is working with a different data set. Citing a report by an advocacy group called the National Coalition of Anti-Violence Programs, he says the number rose “from four in 2016 to 20 in 2017.” Wait a …