It helped Trump with his ludicrous assertion that Hillary didn’t have “the strength and the stamina” to be president. Do you think this garbage happens by accident? As we slog through yet another week of media onslaught saying “Biden’s old, old, old so everybody’s going to vote for Trump!” I thought I’d remind people of 2016, when one of the ongoing narratives was that Hillary Clinton was frail and dying from some unrevealed illness. I wrote this for Salon back in 2016: The right-wing smear machine is working at warp speed to convince the nation that Hillary Clinton has brain damage. That is not hyperbole or some kind of a joke. They are literally claiming that she is hiding a physical and mental disability that renders her unfit for office. And they are, as usual, being helped by members of the mainstream media who are simply unable to resist “reporting” such a juicy tale even knowing that it is absurd. And so it becomes part of the narrative, true or not, that will color the rest of the campaign and Clinton’s presidency should she win. Karl Rove first crudely suggested that Clinton had a serious brain disorder when she fell and suffered a concussion a few years ago which required her to wear her thick prism glasses instead of contacts to correct temporary double vision. Nobody took him seriously at the time, but the rumor has been percolating in the fever swamps and Trump and company were obviously aware of it. Trump…