Chelsea's giant task as Barca inflict pain again

Barcelona are seeking a third successive Women's Champions League title [Getty Images]Chelsea are used to winning in England - but when it comes to facing Barcelona in Europe, they keep hitting trouble.When the Blues were drawn against them in the semi-finals of the Women's Champions League for the third year in a row, their hearts must have sunk.The defending champions have caused plenty of heartache for Chelsea, knocking them out of the competition in each of the past two seasons and beating t