Update: This hearing appears to have been rescheduled for 2:30 PM.
At 2:00 PM Eastern the Senate Appropriations Committee markup of the energy and water appropriations bill will be webcast. The bill includes the nuclear weapons programs of the Energy Department. Location is 106 Dirksen Senate Office Building, Washington.
The video webcast is available on OpenHearings.org; audio only on CapitolHearings.org.
I will post a link to the bill here as soon as it it available.