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** Copies of President Obama's budget plan for fiscal year 2014 are distributed to Senate staff on Capitol Hill in Washington on April 10, 2013. (Associated Press)
**FILE** Copies of President Obama's budget plan for fiscal year 2014 are distributed to Senate staff on Capitol Hill in Washington on April 10, 2013. (Associated Press)
Thousands filled the Minnesota State Capitol as they waited for word that the Senate had passed the gay marriage bill Monday, May 13, 2013, in St. Paul, Minn. The governor has now signed the bill into law. (AP Photo/Jim Mone)
Thousands filled the Minnesota State Capitol as they waited for word that the Senate had passed the gay marriage bill Monday, May 13, 2013, in St. Paul, Minn. The governor has now signed the bill into law. (AP Photo/Jim Mone)
Supporters and opponents of Minnesota's gay marriage bill gather in the State Capitol Rotunda in St. Paul as the Senate prepared to take up the issue, Monday, May 13, 2013 in St. Paul, Minn. The bill passed the Minnesota House last week. (AP Photo/Jim Mone)
Supporters and opponents of Minnesota's gay marriage bill gather in the State Capitol Rotunda in St. Paul as the Senate prepared to take up the issue, Monday, May 13, 2013 in St. Paul, Minn. The bill passed the Minnesota House last week. (AP Photo/Jim Mone)
Sen. Marco Rubio, R-Fla., arrives at the Senate chamber for a vote, on Capitol Hill in Washington, Monday, May 6, 2013. (AP Photo/J. Scott Applewhite)
Sen. Marco Rubio, R-Fla., arrives at the Senate chamber for a vote, on Capitol Hill in Washington, Monday, May 6, 2013. (AP Photo/J. Scott Applewhite)
