The Jordanian ambassador to Libya, who was taken hostage by gunmen in the Libyan capital last month, was freed and returned to Jordan on Tuesday after his government agreed to release a Libyan citizen serving a life sentence on terrorism charges, officials in both countries said. The ambassador, Fawaz al-Itan, arrived at a military airport in Jordan on Tuesday and said he had been treated well in captivity. Nasser Judeh, the Jordanian foreign minister, said Mr. Itan’s captors had ties to the Libyan citizen, Mohamed el-Dressi, who was convicted in 2007 of plotting to blow up Jordan’s main international airport. He did not specify what those ties were. Mr. Dressi flew to Libya on Monday. The apparent exchange of Mr. Dressi for Mr. Itan immediately raised concerns that it would embolden militant groups in Libya, which have turned to kidnapping to win concessions at home and […]