The mother of the man accused of fatally stabbing an ex-con who attacked his girlfriend on a J Train this week compared the young man to Daniel Penny, as she has started an online fundraiser for his legal defense. Jordan Williams, 20, was justified when he knifed Devictor Ouedraogo on a Brooklyn subway Tuesday night because he was defending other straphangers from “danger which was already taking place,” his mom, April Williams, wrote on a GiveSendGo fundraiser she created. Then she invoked Penny, the 24-year-old former Marine who was indicted for killing troubled homeless man Jordan Neely after Neely allegedly...