BOGOTA, Colombia—Colombian security forces have captured the country’s most wanted drug trafficker, a rural warlord who stayed on the run for more than a decade by corrupting state officials and aligning himself with combatants on the left and right. President Iván Duque likened the arrest Saturday of Dairo Antonio Úsuga to the capture three decades ago of Pablo Escobar. Colombia’s military presented Úsuga to the media in handcuffs and wearing rubber boots preferred by rural farmers. Úsuga, better known by his alias Otoniel, is the alleged head of the much-feared Gulf Clan, whose army of assassins has terrorized much of northern Colombia to gain control of major cocaine smuggling routes through thick jungles north to Central America and on to the United States. He’s long been a fixture on the U.S. Drug Enforcement Administration’s most-wanted fugitives list, for whose capture it had been offering a $5 million reward. He was …