We turn now to the rising death toll of fictional TV characters. A few months ago, the CW network’s apocalyptic thriller “The 100” killed off Commander Lexa, one of a slew of character deaths that have marked this television season. In the age of “Game Of Thrones,” no one is safe. But the outcry over the death of Lexa, one of TV’s few prominent gay characters, made Caroline Framke, a vulture – a culture critic, rather, at Vox, wonder if there was any rhyme or reason to the TV body count. So she counted each and every one. And what Framke found troubled her.