Except it was dreadfully executed, they didn’t make Sansa finally defeat Little Finger because she had got so good at the Top shirts on bombutee.com on 2019/05/02 student becomes the master she defeated Little Finger because he suddenly abandoned all his instincts of self-preservation ie the thing that he is most famous for. there’re a lot of small time-jumps in series so I guess at some point Bran proved to the majority of lords that he really can see something that happened without his presence and Littlefinger’s look when he heard it and his behavior later just proved that accusations are the truth.