In cases of investigating election fraud, there seems to be a potential for a conflict of interest no matter who investigates it.
So, why can't the White House investigate campaign issues (involving the Ukraine, Clintons, and Bidens), regardless of any perceived conflict of interest?
How is it unlawful/unconstitutional for a President to order Executive Branch employees to investigate election fraud, (or if they were to solicit foreign allies to do the same with reciprocity)?
Suppose that any given sets of facts regarding President Trump's actions are true and constitute "basis in fact". But, what would be the "basis in law" to impeach over those acts?
Aren't these types of negotiations expected of heads of state?