Clinton, Obama or McCain - Securing the Borders

I was researching the emerging candidates and found this vote for securing the borders interesting:

McCain (R-AZ), Yea
Obama (D-IL), Nay
Clinton (D-NY), Yea

U.S. Senate Roll Call Votes 109^th Congress - 2^nd Session

as compiled through Senate LIS by the Senate Bill Clerk under the direction of the Secretary of the Senate

Vote Summary

Question: On the Amendment (Sessions Amdt. No. 3979 )
Vote Number:	126	Vote Date:	May 17, 2006, 02:30 PM
Required For Majority:	1/2	Vote Result:	Amendment Agreed to
Amendment Number:	S.Amdt. 3979 to S. 2611
Statement of Purpose:	To increase the amount of fencing and improve vehicle barriers installed along the southwest border of the United States.