Once again trump shows he has no clue how life or politics work.

Opposition research is part of politics, it is paid by the opposition to get dirt on the other side.  It was initiated by a still unnamed republican opponent and the Clinton campaign took over once they were on opposite sides.

It does not mean anything in the dossier is not true.  trump likes to be peed on, and the Russians have leverage over trump.  trump will wail like a child with stolen candy over this, his followers will chime in and all this is is a red herring.