I suggest to Gingrich and Adelson as well as to you to buy some books on anthropology an social psychology. There you will learn that the feeling of ethnicity and belonging is always a fact and a social construction at the dame time. This is true for every people. Hence it doesn't matter whether they are "invented".
Police disperse hundreds in brawl in Kafr Manda, northern Israel (Haaretz)
'I am ashamed that I saw injustice and never did anything about it,' Reinhold Hanning tells German courtroom.01:17 30.04.16 | 1 comments