Nicola Sturgeon wants Ed to commit to her to lock Cameron out of westminster.
In terms that will enrage many MPs, Sturgeon throws down the gauntlet to the Labour leader, saying: “If together our parties have the parliamentary numbers required after 7 May, and regardless of which is the biggest party, will he and Labour join with us in locking David Cameron out of Downing Street?”
http://www.theguardian.com/politics/...al-to-miliband