Paul Martin : Ms . Palin talks tough on the campaign trail . Martin : Palin has spoken out about many difficult issues . Palin has given only a limited number of answers , Martin says . Send Roland Martin your questions and listen to his program on CNNRadio and CNN.com Live , Thursday at noon ET . She has n't been forthcoming on the Alaska ##n investigation , he says .
Paul Martin : Ms . Palin talks tough on the campaign trail . Martin : Palin has spoken out about many difficult issues . Palin has given only a limited number of answers , Martin says . She has n't been forthcoming on the Alaska ##n investigation , he says .