Maryland October 20, 2020 5:22 pm How to Avoid Ballot Mistakes and Make Sure Your Vote Is Counted Extraneous marks and coffee stains can create problems for election workers and even get your ballot tossed. News4’s Aimee Cho explains what to avoid. Local 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 0:43 American University locked down before man arrested on campus 3:08 Family holds memorial for brothers, 3 and 6, who died after Clifton house fire 2:05 ‘People immediately hit the ground': 6 hurt in shooting outside DC nightclub 2:20 Driver accused of deadly hit and run of skateboarder held without bail