As the shutdown stretches into its third week, no single off-ramp seems certain. But many factors could shift lawmakers' calculus over time.

Little is expected to change Monday as the government enters the 13th day of a shutdown with lawmakers on a break in observance of a bank holiday.

As the shutdown stretches into its third week, no single off-ramp seems certain. But many factors could shift lawmakers' calculus over time.

Republican and Democrat senators continued to back opposing bills ahead of vote on stopgap funding that would reopen the U.S. government.