Quotes for the other two?
March 6, 2008 interview in TIME magazine:
TIME: Can you envision a point at which—if the race stays this close—Democratic Party elders would step in and say, “This is now hurting the party and whoever will be the nominee in the fall”?
CLINTON: No, I really can’t. I think people have short memories. Primary contests used to last a lot longer. We all remember the great tragedy of Bobby Kennedy being assassinated in June in L.A. My husband didn’t wrap up the nomination in 1992 until June. Having a primary contest go through June is nothing particularly unusual.
http://www.time-blog.com/swampland/2008/05/hillarys_bizarre_rfk_comment.html
May 6, 2008, following the Indiana Primary:
“But I also think it’s still early. I mean, everybody is so focused on where we are right now. I guess I remember that in June of 1992, that’s when Bill really wrapped up the nomination, the middle of June after the California primary. You know, I remember very well what happened in the California primary in 1968 as, you know, Senator Kennedy won that primary.”
http://transcripts.cnn.com/TRANSCRIPTS/0805/07/cnr.04.html