Sen. John McCain, R-Ariz., laughs as he and Sen. Chuck Schumer, D-N.Y., left, cross paths at competing TV news interviews just before a vote in the Senate on legislation to collect sales tax on internet purchases, on Capitol Hill in Washington, Monday, May 6, 2013. (Associated Press)
Sen. John McCain, R-Ariz., laughs as he and Sen. Chuck Schumer, D-N.Y., left, cross paths at competing TV news interviews just before a vote in the Senate on legislation to collect sales tax on internet purchases, on Capitol Hill in Washington, Monday, May 6, 2013. (Associated Press)
Thousands of people march during a May Day immigration rally in Los Angeles on Wednesday. The Senate is crafting an immigration reform bill. (Associated Press photographs)
The Senate's bipartisan "Gang of Eight" holds a news conference on Capitol Hill in Washington on Thursday, April 18, 2013. In front from left to right are Sen. Marco Rubio, Florida Republican; Sen. Charles E. Schumer, New York Democrat; Sen. Lindsey Graham, South Carolina Republican; and Sen. John McCain, Arizona Republican. The legislation would dramatically remake the U.S. immigration system by ushering in new visa programs for low- and high-skilled workers, requiring a tough new focus on border security, instituting a new requirement for all employers to check the legal status of their workers, and installing a path to citizenship for 11 million immigrants in the country illegally. (AP Photo/J. Scott Applewhite)
Sen. Joe Manchin III, West Virginia Democrat (right), a lifelong hunter and NRA member, plans to "go to every gun show" in the country in his effort to convince doubters including NRA members of the Senate background-check bill's merit.
The Senate's bipartisan "Gang of Eight" holds a news conference on Capitol Hill in Washington on Thursday, April 18, 2013. In front from left to right are Sen. Marco Rubio, Florida Republican; Sen. Charles E. Schumer, New York Democrat; Sen. Lindsey Graham, South Carolina Republican; and Sen. John McCain, Arizona Republican. The legislation would dramatically remake the U.S. immigration system by ushering in new visa programs for low- and high-skilled workers, requiring a tough new focus on border security, instituting a new requirement for all employers to check the legal status of their workers, and installing a path to citizenship for 11 million immigrants in the country illegally. (AP Photo/J. Scott Applewhite)
** FILE ** Sen. Dianne Feinstein, D-Calif., waits for an elevator on Capitol Hill in Washington, Wednesday, April 17, 2013, after speaking about gun legislation on the Senate floor. (AP Photo/Charles Dharapak)
** FILE ** Sen. Dianne Feinstein, D-Calif., waits for an elevator on Capitol Hill in Washington, Wednesday, April 17, 2013, after speaking about gun legislation on the Senate floor. (AP Photo/Charles Dharapak)
Senate Majority Leader Harry Reid, Nevada Democrat, gestures as he takes a call in his office before the jobs bill cloture vote on Capitol Hill in Washington on Monday, Feb. 22, 2010. A bipartisan jobs bill cleared a GOP filibuster with critical momentum provided by the Senate's newest Republican, Sen. Scott P. Brown of Massachusetts. (AP Photo/Harry Hamburg)
