April 4, 2014 5:14 pm LBJ's Chief of Staff on Former President's Contributions to Civil Rights News4’s Chris Lawrence spoke to Lyndon B. Johnson’s chief of staff about President Johnson’s contributions to civil rights. US & World Videos 4:17 New California law will remove restaurant surcharges 0:43 Daily marijuana use outpaces daily drinking in the US, a new study says 3:45 Scarlett Johansson responds after ‘eerily similar' voice pulled from ChatGPT 3:02 JoJo Siwa got punched during 21st birthday celebration 1:54 WATCH: Animals snack on cicadas at Chicago zoo