The government is back open. There are lots of questions about what this means, how we got here and where we go from here. Let's dig in.

The U.S. government is due to lumber back to life on Thursday after the longest shutdown in U.S. history snarled air traffic, cut food assistance to low-income Americans and forced more than 1 million workers to go unpaid for more than a month.

The end of the longest government shutdown in U.S. history exposed partisan divides in Washington and left Democrats hoping, again, that Republicans will keep their word of addressing expiring