u.s. national security. key provisions of the patriot act are set to expire more than 72 hours from now. the national security agency is getting ready to pull the plug on a controversial phone data collection program if the u.s. senate doesn't act before time runs out. let's go to our white house correspondent michelle kosinski standing by with much more. michelle? >> reporter: we see the white house pushing the senate to act to keep these parts of the patriot act up and running and they say failing to do so is like playing national security russian roulette an unnecessary risk saying the fbi's work will be severely impacted. here here's the white house today. >> professionals told us these are programs that have provided valuable information in the past. these are critical tools that are used to keep the american people safe. they use these tools to collect information that has not been otherwise available to them, that was then used to prevent individuals from carrying out acts of violence to round up