eight candidates taking aim at each other in the first republican debate. nearly all of them saying they would support donald trump, even if convicted, if he's the nominee. tonight, your eyesight, and the new fda warning, urging people to immediately stop using certain eye drops because of possible contamination. we're learning tonight of a parking garage collapse. several cars crushed, catching fire. also tonight, we remember a beloved star of daytime television. and another loss, an actress from "little house on the prairie. good evening and it's great to have you with us here on a thursday night. we have breaking news from georgia. former president trump a short time ago surrendered, arrested, booked on felony charge there's. p it's the former president's fourth criminal indictment this year. the sharist in fulton county said that trump would be treated