good morning president obama tries to diffuse tensions over an arrest. admitting that his own words only added to the drama. unfortunately, it gave an impression that i was maligning the cambridge police department, and i could have calibrated those words specially. sarah palin prepares for her final hours as governor of alaska. and free fall, a base jumper lands hard. he is alive and telling the tale to us today, saturday july 25, 2009. and welcome to today on his saturday morning. good morning, i m tamaran hall sitting in for lester holts. amy mentioned to me, this guy escaped without a single broken bone. hard to believe. we ll find out his lottery picks as well, because he is one liucy fellow in this world. investigators are focusing in on michael jackson s doctor, conrad murray. and then, a wedding celebration that more than four million people have clicked onto see. coming up, we ll meet the bride,gram abride, groom and get an encore performance. tha