Obviously not. Please apply the principle of charity. These are some salient examples. Of course there are others.

Of course there are others, but I am not interested in arguing by anecdote especially when the anecdotes don't seem to support your thesis. (Seriously, of all the scandals you had to pick the Lewinsky scandal?) What exactly am I supposed to be applying charity to here? Do you have any systematic, concrete, empirical data that supports your claim that factchecking improves politics?