Elaine Loughlin: Sinn Féin is keen to play but its team sheet is incomplete

Soaring in the polls, there is plenty of expertise among Sinn Féin's parliamentary party — but there are gaps too for a party seeking to field a team to take up ministerial office 

Soaring at 35% in the polls, Sinn Féin is now being talked about in the context of when it enters government, not if. 

But what exactly would a coalition led by Taoiseach Mary Lou McDonald look like?