Anticipates closing arguments starting today with deliberations beginning friday afternoon. Nbcs sarah dallof is live for us outside the courthouse in sanford, florida. Sarah, good morning. Reporter good morning, paige. A lot of big developments yesterday, but the main headline, George Zimmerman will not testify. The defense would call Robert Zimmerman sr. , your honor. After four days of testimony, attorneys for George Zimmerman who pleaded not guilty to seconddegree murder wrapped up their case with zimmermans father. One last witness testifying the screams on the 911 call. I told them absolutely its my son, george. I am asking your client questions. Please, mr. West. Reporter it was a day sprinkled with heated exchanges between the defense and judge deborah nelson, specifically when the judge asked zimmerman if he would be taking the stand. I object to the court inquiring to mr. Zimmerman about his decision whether to testify your objection is overruled. Zimmerman told the judge he