Colombian President Abelardo de la Espriella took office Friday, vowing to wage war on drug-running guerrillas and usher in a new era of close ties with the United States. The flamboyant former lawyer brings a lurch to the right for the Andean nation, vowing to bomb jungle cocaine labs, build “mega prisons” and slash the size of the state. De la Espriella and his Vice-President Jose Manuel Restrepo cheered, embraced and performed their campaign’s characteristic military salute after taking their...