THE SDLP will only join the next Stormont government if its demands for spending on education and redressing regional underinvestment are met, leader Colum Eastwood has said. Speaking at the party's annual conference in Derry, the Foyle MLA spelt out the red line issues that will determine whether the SDLP joins a new slimline executive after May 5's election. The event in St Columb's Hall was the party's second conference in six months. Last November's event saw Mr Eastwood elected leader, and he decided to break with long-standing tradition by convening the next ann[...]