connection to brad, descended on joan's san jose home. >> i think it is wonderful. >> they repaired her deck. painted her bathroom. even installed a new dishwasher. it is part of the good that rebuilding together regularly does. just on this day, it was a little more special. >> brad's here. brad's totally here with us. he's doing this day with us. you know, and he's part of it. >> brad's family, friends and co-workers not only volunteered to do the work and they raised the money to buy the materials to fix joan's house. garvin thomas, nbc bay area news. >> he is proudly shining down on them. thanks. >>> it is 7:26. we have much more ahead on today in the bay coming up. so what exactly was that radio active material that created concern and shut down streets in a major park on the peninsula? we have the unexpected twist, and new details about the homeowner. >> plus, president trump boasts