Portuguese voters are called to the polls on Sunday in early parliamentary elections in which the ruling Socialists face defeat but no clear winner is expected. Almost all opinion polls ahead of the voting forecast a narrow victory for the centre-right Democratic Alliance (AD) coalition over the Socialist Party (PS). But neither of the two are expected to achieve the absolute majority that the Socialists won at the beginning of 2022. The two leading candidates, Pedro Nuno Santos of the Socialists and Luis Montenegro of the Democratic Alliance, will likely have to rely on forging agreements wit…