as vice president, michelle o'neal looks set to be ireland's first republican minister. >> today ushersew era which i believe presents us all with an opportunity to reimagine relationships necessarily on the basis of fairness, on the basis of equality, on the basis of social justice. irrespective of religious, political, or social backgrounds, my commitment is to make politics work. >> and journalist peter taggart joins me live from belfast. peter, we heard sinn fein there promising a new era. they've said, quote, this is a significant moment of change. so how far does this victory get them on their long path to reunification? >> reporter: well, they obviously would see it as a boost. a lot of their supporters would see it as a boost. of course, the system of government here is a joint, a power-sharing government between republicans and unionist british politicians. the breakdown, sinn fein is the biggest party, and that's the first time that an irish nationalist or irish republican party has been the biggest in the history, the 100-year history of northern ireland. 27 lawmakers, 25 for