President Barack Obama says he has ` ` no excuse '' for violence after a grand jury did not indict the police officer who shot and killed Michael Brown . Obama called on protesters to fight for political rights and new policies to improve relations with police . But Obama said better police training , law enforcement forces that are representative of the communities they serve and more `` makes a difference . '' Attorney General Eric Holder says the Justice Department 's ongoing civil rights reviews in Brown 's shooting will continue .
President Barack Obama says he has ` ` no excuse '' for violence after a grand jury did not indict the police officer who shot and killed Michael Brown . Obama called on protesters to fight for political rights and new policies to improve relations with police . Attorney General Eric Holder says the Justice Department 's ongoing civil rights reviews in Brown 's shooting will continue .