Roy Disney Sr., who co-founded the namesake entertainment giant with his brother Walt Disney, “is spinning in his grave” over a group of Nazi demonstrators who flew giant swastikas flags outside Disney World on Saturday, according to his granddaughter. Abigail Disney, appalled by the hateful display, tweeted that her late grandfather would also be revolted by the caught-on-video demonstration outside the Orlando amusement park’s main entrance. Photos and videos of the display shared by a Florida state legislator show a group of men standing at the entrance holding multiple large Nazi flags as well as antisemitic, homophobic and racist signs....