that may be true but breaking the laws of the land is so are actions harmful to the safety of the US. What was a small group of people has now grown to a huge part of the world population that wants to do grave harm to us.
Impeachment will bring out in the open their acts and give warning to future power mad persons in the presidency that it isn't going to be allowed.
Clinton's actions were not okay I suppose but to impeach over that and ignore this behavior is criminal.