Caucasians are not Middle Eastern but they have more ties with the ME than with India thousands of KM away. On every level. That is undeniable.
Actually Saudi Arabians are most closely tied to people of Levant, Iraq and Yemen. Every genetic test shows this. That is not strange since all those 4 regions/areas/countries have a closely tied Semitic past that dates back thousands of years and moreover they are neighbors and inhabit the same region of the world. Also to Southern Europe. Look at the genetic results shown by National Geographic. Since Neolithic times.
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Infoman
The reason for that is because the first inhabitants of Southern Europe came from the Middle East what is today the Arab world. That was how farming etc. was spread. Later the Semitic Phonecians colonized large parts of Northern Africa and Southern Europe (many cities were founded by them) and then came the Punics and Carthiagians (Hannibal belonged to them) who were descendants of Phoenicians who mixed with the local people who were mostly Berber who are related with Arabs and other Semitic people and belong to the same language family. Then most recently came the Arabs who inhabited Iberia for 900 years and Malta, Sicily, Cyprus etc.
Most importantly both Arabs and Mediterranean/Southern Europeans are Caucasian people. Only difference is the pigmentation but that depends on the individual.
Even more importantly all the people of that region are tied to the Neolithic expansion out from the Middle East to Europe 10.000 + years ago way before Semitic, Indo-Iranian, Turkic, ethinc group x or y existed. So that's hardly strange. Visit forums that deal with this or read about genetics if you don't believe me. It's quite interesting and I have for a long time been interested in that field.
Anyway back to topic.