The Let’s Change party leader shook up Argentina’s political landscape in what will undoubtedly go down in history as one of the most astounding upsets in the country’s history of democratic elections. Macri’s win signals a clear end to the Kirchner era, after 12 years in which President Cristina Fernández, along with her late husband and predecessor, Néstor Kirchner, rewrote the country’s social contract, gaining both rabid followers and fierce critics along the way. In the first runoff in Argentine history, the center-right opposition leader won the presidency by beating Kirchner ally Daniel Scioli by just a few percentage points — Macri got 51.4 percent of the vote, compared to 48.6 percent for Scioli. The front-page photo shows Macri, the outgoing mayor of Buenos Aires who will assume the presidency Dec.