Should Accused Fla. Daughter Killer Casey Anthony Testify in Her Own Defense?

Defense lawyers for Casey Anthony, the Florida mom accused of killing her toddler Caylee, have argued that the little girl was not murdered but died in a pool accident. Now the defense faces a crucial decision: Should they call Casey Anthony, an admitted liar–but the only witness available to describe what she says really happened–to testify on her own behalf? What do you think? Should Casey testify?