>> i grew up in panama. i was in panama until i was 18 years old, then i received a scholarship to the united states for international development, to study genetics. at that time, i was a student at the medical school in panama. but what i wanted to do was research. they gave me a scholarship to come to the united states. i came to iowa state university, and then harvard, and then i graduated and went to continue my studies in europe, and eventually came back to the u.s. >> what was life like in panama? >> it was very difficult, because i grew up through two different dictatorships. one was a general, the one who signed the panama canal treaty, and the other was -- noriega. >> so i, throughout my life, saw a lot of problems in my country due to the lack of opportunities as well as the lack of freedom. and so it was for me, that the scholarship i received from the u.s. came as a godsend gift, because otherwise, without that opportunity, i would not have become the person that i am right now. and that serves