Lawmakers still show no sign of a settlement to avert a government shutdown. It would happen at 12:01 a.m. Saturday. Talks continued in private between Republican and Democratic leaders. And on a trip to Pennsylvania Wednesday, President Obama warned about the consequences of a shutdown. Wednesday afternoon on Capitol Hill, House Speaker John Boehner accused the president of showing no leadership. Michele Norris talks to NPR national political correspondent Mara Liasson about the politics of the budget shut down.