The Friday File: Out of 180 ranked nations, the most corrupt is Somalia, with a score of 10 out of 100. In hot pursuit; Syria and South Sudan both with scores of 13. Yemen and North Korea follow at 14. Denmark is the least corrupt, scoring 88, followed by New Zealand at 87 and Finland/Singapore/Sweden/Switzerland all at 85. The US is 22nd with a score of 71. No wonder Greenland…