Senate Judiciary Committee Chairman Patrick Leahy, D-Vt., voted to allow guns in national parks and on Amtrak trains, but rejects suggestions that he'll slow-walk gun control efforts through Congress. Chip Somodevilla/Getty Images hide caption

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Sen. Lindsey Graham (R-SC), shown in a June 29 file photo, says he will vote for President Obama's Supreme Court nominee, Elena Kagan. (AP Photo/J. Scott Applewhite) J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP