vote further erodes that trust." >> maryalice, nancy pelosi pushing back that infrastructure vote to the end of the month. but congress is facing another major deadline. >> reporter: that's right. treasury secretary janet yellen says the country could default on its past debt if congress does not raise the debt limit by october 18th. so far, republicans have refused to work with democrats on this. yellen and other democrats have said congress should change the law so these sorts of debt ceiling votes are not needed. whit? >> maryalice, thank you. now to fears of a looming crisis at the u.s./mexico border. panama's foreign minister saying up to 60,000 mostly haitian migrants are making their way to the united states through central america. the biden administration facing criticism on its handling of the recent border surge. and new legal challenges to a policy which allows for the