. >> that was the moment miss d.c., kara mccullough, was crowned miss usa last month. the 25-year-old scientist who works at the u.s. nuclear regulatory commission is now working to get more kids across the country interested in s.t.e.m. programs. kara mccullough is here in our studio now with what the last month has been li >> thank you. it see you on the stage there winning, representing d.c. so well. what was that like? what was that moment like, winning the miss usa competition? >> it was just exciting. i was so thankful for that opportunity. and just standing there even with new jersey, she was such a dynamic individual as well. i mean, i'm just so thankful tore miss usa and standing there just really put so much more thankfulness and excitement in my heart. >> i wonder if people are really surprised when they win. do you really have no idea going into that moment? >> well, for me, i extracted myself from the outcome because i wanted to enjoy the entire process. but of course after they said my name, the first thing i said was, what is my life? is this really true