creating a more powerful executive presidency erda juan's most serious challenger for that presidency is mirelle auction now she is a former interior minister and leader of the recently formed party meantime. demo tash of the pro kurdish opposition h.t.t.p. party will be campaigning from behind bars he's currently on trial on terrorism charges and turkey's biggest opposition party the secular republican people's party or c h p has just revealed its candidate and it is senior lawmaker who harem n.j. for more let's bring in john who is standing by with the latest from istanbul also we just got a breakdown of the potential candidates that we have running here to any of them have a chance. well nobody honestly believes dad any of these candidates individually have a chance to beat mr alderaan in this presidential race many say it's unfortunate the opposition couldn't come up with a joint strong candidate to run against a dredge up tie of adlon instead all the parties presented their own candidates as of today we know the largest opposition party the c.h.p. is as you mentioned running with them he is

. >> reporter: milwaukee police chief alfonso mireles apologized for the january encounter. >> members inappropriately and those members were recently discipline. criminal charges against mr. brown were not pursued. >> reporter: brown himself posted a statement on his twitter account writing in part what should have been a simple parking ticket turned into an attempt at police intimidation followed by the unlawful use of a physical force. the common denominator in all of these situations has been racism toward the minority community. community activists agree. >> examples must be set by the administration by terminating officers. >> reporter: the cities police chief has already pledged to make sweeping changes to the department. >> when instances like this come to life, we must allege to do better. we will do better. >> reporter: brown ended up playing an nba game the night of his arrest with visible bruises to his face. he is asking the community for peaceful support and says he plans to take legal action against the milwaukee police department. kenneth craig, cbs news. >>> a danville