Read the criteria for Engineering Inspiration Award here:
http://www.usfirst.org/uploadedFiles...wards_RevA.pdf and here:
http://www.usfirst.org/roboticsprogr...nt.aspx?id=440 (release forms for Chairman's Award also here).
There is no special interview for this award, like for the Regional Chairman's Award process.
Also lots of suggestions in the NEMO paper "Judging Hints at the Regionals" under Competitions.
http://www.firstnemo.org/resources.htm