I don't want it to happen. 

If Trump is removed from office Pence will become president. Trump is the best friend the Democrats ever had for the 2018 elections. His disapproval rating now stands at 60%.  

If the D's can take control of of the House or Senate, Trump is a lame duck for the remainder of his term. He hasn't passed one major piece of legislation yet, and that will only get worse the longer this investigation drags on.