Expert: Prosecution of Michael Jackson's doctor will be difficult

Prosecutors provided the first glimpse of their criminal case on Tuesday against Dr. Conrad Murray, who faces charges that his actions in June 2009 contributed to the death of pop star Michael Jackson. Ellyn Garofalo, who represented the doctor acquitted of illegally providing prescriptions to Anna Nicole Smith before she died of a drug overdose, said prosecutors in the Murray case face a high burden of proof.