How did the attempted impeachment of President Clinton come about? What do you think about this attempt at impeachment and the surrounding controversies and circumstances?

[1] How did the attempted impeachment of President Clinton come about?  What do you think about this attempt at impeachment and the surrounding controversies and circumstances?

[2] What parallels, if any, do you see between the impeachment efforts against President Clinton and those today against President Trump?  Are they comparable or completely different, in your view?  Explain.