They are old and balding now, the 15 defendants standing trial before a three-judge panel near the Argentine capital’s bustling port. But prosecutors say they were once the feared henchmen of a brutal military dictatorship. Argentina has tried...

Hurt by a faltering economy and her own confrontational style, Mrs. Kirchner saw her faction of the dominant Peronist party lose control of both houses of Congress. Meanwhile the Congressional slate headed by her husband and predecessor, Nestor, lost in...