to grassy knoll is introduce a bizarre conspiracy theory or false eye witness account when seeking to evade Truth and Reality; one who "grassy knolls" is known as a grassy knollist
Hillary is such a grassy knollist! First she tried to sell us on some vast right wing conspiracy when she was asked about Bill and Monica. Then all that crap about Bosnian sniper fire. Truth and Reality: Bill strayed and there were no snipers.