Kerry Kennedy testifies, says sleeping pill "overtook" her

      |Closing arguments will soon begin in the drugged driving trial of Kerry Kennedy, the daughter of the late Robert F. Kennedy. She says she can't remember driving on a New York highway in 2012, after mistakenly taking a sleeping pill. CBS News legal analyst Rikki Klieman, a former criminal trial lawyer, talks about the case with the "CBS This Morning" co-hosts.