powerful rocket has been scrubbed. technical issues delaying the historic liftoff until at least friday. we will get an update from the launch site and i ll get an update on nasa protocols for missions like this one. and nuclear fears out of ukraine. after weeks of delays, united nations inspectors are headed to europe s largest nuclear power plant now under russian control. ukrainian authorities are so worried after several days of shelling around the plant, they started giving out iodine tablets. the latest from the region. and new fallout over the former president s handling of classified documents at mar-a-lago. what we know about the intelligence community s review of the materials and how they will assess potential risks to our national security. that s precisely where we start this morning. the director of national intelligence, avril haines, says her office will launch a damage assessment into the potential risk to national security posed by those documents. that
nu dot edu today. good morning. 11:00 a.m. eastern, 8:00 a.m. pacific. it was supposed to be nasa s next giant leap forward for space exploration, but this morning a small step back. today s launch of nasa s most