The article ways his son , not Barzani himself bought the Villa. He lives in the US, at least part of the time and does speaking engagements about Iraq at colleges, etc. He was just in southwest Missouri last spring. I doubt he does all those presentations for free!
The SDN list is a listing of individuals and businesses that are prohibited from doing business with U.S. citizens. This entry is simply removing someone named Ali Abdul Mutalib, a citizen of Germany and/or Iraq from this restricted list. And no, he is not Ali of Dinar Trade.
This converter must be messed up. If you go into the global converter section
and input a 1 in the box to the left of "ounces of gold" and then click on the convert button, the box to the left of "united states dollar" says 1.59. I'm pretty sure one ounce of gold costs more than $1.59!