Tunisian presidential candidate and media mogul Nabil Karoui left prison on Wednesday days before Sunday#x2019;s election run-off after weeks of detention waiting for a verdict in his corruption trial.Karoui was the runner-up in the first round of the presidential election last month despite being held since August 23 in pretrial detention. He will now face Kais Saied, an independent, in the second round of voting.Hundreds of supporters who had gathered outside the prison cheered as Karoui departed,#x2026; ......