Sen. Chuck Schumer (D-NY), left, seen here speaking with Sen. John Barrasso (R-WY) in an elevator Sunday, says that undoing the sequester cuts is "one of the sticking points" in budget talks. Congress is struggling to find a solution to end the government shutdown, now in its thirteenth day. Andrew Burton/Getty Images hide caption

itoggle caption Andrew Burton/Getty Images

Sen. Susan Collins, a Maine Republican, and fellow GOP senators accused the Obama administration of creating a "manufactured crisis" by furloughing FAA air traffic controllers and causing delayed flights. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Republican Sens. John McCain of Arizona, Lindsey Graham of South Carolina and Kelly Ayotte of New Hampshire at the Capitol last month. The senators are among a group invited to dine Wednesday with President Obama. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images

Under sequestration, federal agencies don't have the flexibility to choose to spare popular programs or services by making administrative cuts elsewhere. Tatiana Popova /iStockphoto.com hide caption

itoggle caption Tatiana Popova /iStockphoto.com