By Tamas Csonka in Budapest Hungarian MPs have finally approved Sweden’s accession to Nato, marking an end to an 18-month saga that has further strained Hungary’s ties with allies, undermined the country’s credibility and reinforced views that Prime Minister Viktor Orban serves Russian interests. Of 199 members of parliament, 188 votes were in favour and 6 against, all coming from the far right Our Homeland party. Within a few days, the ratification will now be signed by the country’s speaker of parliament and the country’s newly appointed president, Tamas Sulyok, who is replacing outgoing hea…