TAREK AMARA TUNISIA'S president rejected "foreign interference and harm to the country's sovereignty" after the United States raised concerns over a recent wave of arrests of his critics. "We are able to diagnose our problems," President Kais Saied said, adding whoever wants to help Tunisians should "return our looted money and drop the accumulated debts." The United States on Wednesday said it was "deeply concerned" by the reported arrests of political figures, business leaders and journalists in Tunisia. In recent days, Tunisian police have detained leading figures from the opposition or critics of Saied, including prominent politicians, an influential businessman, and the…