david sandalow. _ that that continues. david sandalow, thank - that that continues. - that that continues. david sandalow, thank you very | that that continues. david - sandalow, thank you very much indeed. . ~ sandalow, thank you very much indeed. ., ,, , ., sandalow, thank you very much indeed. ., ,, the first left—wing president in colombian history, gustavo petro, has been sworn into office in a ceremony attended by thousands of people in bogota's main square. mr petro, a former marxist rebel, called for a fresh international strategy to deal with global drug trafficking, saying that the war on drugs of the past four decades has failed. lea na hosea reports. it isa it is a historic day for columbia as the latin american country's first—ever left wing president, gustavo petro, is inaugurated. from the early hours of sunday, people began arriving in the capitol, from all regions of the country for the event. translation: today is a historic— the event. translation: today is a historic day _ the event. translation: today is a historic day for _ the event. translatio