First official results in Argentina's mid-term legislative elections suggest President Cristina Fernandez's party has lost control of Congress. The results suggest the ruling Peronist party has lost its majority in both the lower house and the Senate. Ms Fernandez' husband Nestor Kirchner conceded a closely-watched battle to win the populous Buenos Aires province. The polls were seen as a referendum on the popularity of the presidential couple, our correspondent says. (snip) With most of the votes counted, Nestor Kirchner conceded defeat to a dissident Peronist, wealthy businessman Francisco de Narvaez. (snip) The elections took place against a backdrop of deep...