Rahm Emanuel is leaving White House with ambition of becoming Chicago 's mayor . Roland Martin says it wo n't be as easy as some people think . The former Obama chief strategist and current CNN contributor said he will leave the administration in January to return home to Chicago. Martin : Emanuel will have to work to win confidence of Chicago 's black population .
Rahm Emanuel is leaving White House with ambition of becoming Chicago 's mayor . Roland Martin says it wo n't be as easy as some people think . He says Emanuel faces a challenging field and has some handicaps . Martin : Emanuel will have to work to win confidence of Chicago 's black population .