sorry, nicole. >> first born. >> is this true though? what else does our birth order say about us? here to weigh in is dr. kevin lehman. he's the order of "the birth order book." hey, doc. good morning. >> good morning. >> let's talk about first born children at trib puts and see if this holds up for someone like myself and other world leaders. what do we have inherent in us? >> well, first borns are the lab rat of the family to begin with. parents practice on them. >> that's right. >> kids look up. their models are adults so school is the first proving ground in life. they tend to be achievers. they're early readers. one of the reasons why first borns end up smarter on such studies that we just saw again is that the parents have time to read to the child,nd mo and mor attention goes to the first borns. they're presidents, ceos,