Pedro Cortes, Pennsylvania’s secretary of state, abruptly resigned from office Wednesday, three weeks after his agency came under criticism for a glitch that may have allowed thousands of ineligible immigrants statewide to vote. Cortes’ departure was announced in a 349-word “personnel update” emailed from Gov. Wolf’s office that offered no reason and focused almost entirely on his replacement, interim Secretary of State Robert Torres. Just 14 of the words were about Cortes, who also served as secretary of state from 2003 to 2010 under Gov. Ed Rendell. J.J. Abbott, a spokesman for Wolf, said he could not offer an explanation...