Hungary's new prime minister, Péter Magyar, is set to be sworn in, almost a month after he steered his Tisza party to a landslide victory, sweeping away 16 years of rule by Viktor Orbán. Tisza holds 141 seats out of 199 in the new parliament - up from zero, a result of the party being founded just two years ago. A big "celebration of freedom and democracy" is planned on Saturday in front of parliament in Budapest, along the shores of the Danube. Magyar has told Hungarians to step through the "