the u.s. treasury pushes back the possible default deadline from june 1st to june 5th, giving debt limit negotiators to reach an agreement. the house minority leader, hakeem jeffries, joins me in just a moment r for an exclusive interview. in ukraine, at least two people are dead and 30 injured after a russian attack on a medical clinic, ukraine claims was deliberate. we ll have a live report from the war zone. and as americans prepare to set out for the memorial day weekend, cnn is at the airport and on the highways with everything you need to know about one of the busiest travel days of the year. welcome to our viewers here in the united states and around the world. i m wolf blitzer. you re in the situation room. our top story this evening, the u.s. treasury says debt limit negotiators have slightly, slightly more time to try to strike a deal.