La razón es que, más allá de sentimentalismos, una intervención que dura 10 años puede ensombrecer totalmente la eficacia de la decisión política tomada respecto a esa cuestión.
The reason is that, sentimentality aside, an intervention lasting 10 years can cast a complete shadow over the effectiveness of the political decision taken on this issue. I believe that each one of us is responsible to those who elected us for coming up with an answer to this question.