Is it worth it for Qatar? For the third year in a row, its 800-million-euro baby Paris Saint-Germain has crashed out in spectacular fashion at the first hurdle of the knockout phase of the Champions League. PSG blew a 2-0 first leg advantage at home against injury-depleted Manchester United. Why does a side that's crushing all comers domestically seem to always snatch defeat from the jaws of victory on the European stage?
