Albert Rivera, leader of Ciudadanos, left, arrives for an investiture debate at the Spanish parliament in Madrid, Spain, on Tuesday, Aug. 30, 2016. Prime Minister Mariano Rajoy is trying to piece together the first administration since Spains traditional two-party system broke down with the emergence of Ciudadanos and the anti-establishment party Podemos at last Decembers election. Photographer: Antonio Heredia/Bloomberg via Getty Images
