Demonstrating Impulsivity News Today

For more than a half century the man who gunned down robert kennedy during his promising presidential bid in 1968 -- >> is there a doctor in the house? >> reporter: -- has led a tumultuous life behind bars. at previous parole hearings he argued. >> interrupting me after i told you time and time again not to is, again, demonstrating impulsivity, a lack of control for yourself. >> reporter: no more, his team advised, though hes long said he doesnt recall the shooting. >> i dont remember pulling th...