sakher al mohamad is one of many who found his way to cologne.ry to integrate into german society. this is unsurprisingly easier said than done. getting to turkey, no problem. >> sakher: yes. >> anthony: turkey to greece, problem. >> hani: getting to turkey is now a problem. >> anthony: right. >> hani: but at that time it was not a problem. >> anthony: next, went from greece to macedonia? >> sakher: yes. >> anthony: correct? welcome there? no. serbia? no. were you welcomed here? >> sakher: yes. very welcome. >> anthony: so here we are, cologne. one of the most liberal, if not the most liberal cities in germany. a city doing the right thing. and on new year's eve, the whole attitude towards refugees, not just european policy, but the whole moral question was thrown into doubt. cologne found itself to test case, both example of tolerance and hope and worst-case scenario. here's what was reported. on the night of december 31, 2015, witnesses saw crowds of up to a thousand men described as predominately arab and north african near cologne central tra