While nobody knows for sure how much the Saudis have spent on getting a foothold in non-Muslim regions and especially in Western Europe and North America, the sums are clearly huge.

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There are signs of a new emphasis on dealing with the Russian regions, especially those closest to Western Europe, such as Smolensk.

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"If you set it for the latter and allow it to route you onto unpaved roads, you're courting disaster, especially in isolated parts of the western U.S. or in mountainous regions, " he said.

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