. >> she was born in italy in tuscany, actually. so the point is that leo was jewish and leo had the trajectory of the displacement of the jewish population throughout europe but leo hardly said he was jewish and that's a very interesting point in his personality. you were him, charlie, he was elegant, charming, opaque, talking a lot. always per textually dressed and always perfectly smiling. but behind that attitude, behind that perfect opaque personality i felt that there was something else to be discovered. >> rose: which was? >> i felt that the anecdotes too mechanic, the stories were too much the same and when i decided to write his biography i searched and searched and searched. and what i discoverd is that behind this beautiful smile there was a tragic history. the history of his family and basically leo learned at the age of... in 1945 when he went back to europe in romania... >> rose: he discovered his parents... >> had disappeared during the siege of budapest. they had swam through the danube and his mother drowned in the

. >> reporter: olive garden does have a culinary institute in tuscany.nu, they have to be adapted for the american palate. >> ciao. >> reporter: the chef let us into the olive garden test kitchen to share some of the secrets of americanizing italian fare. >> in italy, you have four or five main courses. in one meal. >> reporter: time? >> time, everything is done in one set. >> reporter: one secret, cut down on the meal time. instead of separate courses for pasta, meat and vegetables, incorporate them into one dish. secret number two, increase the cooking time. americans generally don't like the firmer al dente texture. of italian pasta. so at olive garden they cook it exactly one minute longer. secret number three, add cheese and lots of it. because the top-selling dishes are the ones full of cheese. like like lasagna. traditional guidelines are changing. olive garden is now offering lighter fare like their seafood brodetto. ♪ >> manga! manga! >> mm. that was good. that seafood was only 480 calories. you look at most popular items, lasagna, 820 calories.