As much as I would like to but I think it will probably never happen in the near future. Not because of technical reasons as some people state in the article. In my opinion the technical difficulties are not the most difficult things to solve in order to travel to Mars. Humanity went basically from 0 to space and on the Moon but this was only possible because of the political pressure where everything was dedicated to reach this goal. This included a lot of money and ten thousands of people. But most important it was the society who supported this goal no matter what. Today nobody really cares if people go to space and this makes it impossible for a hand full of people who do.