re: Why don’t the dems just impeach and get it over with?

Yep, there is no actual “there” there or you can bet they would’ve acted upon it way long ago quicker than you could blink an eye. This rather is all designed to drag out as long as needed with Schiff running his secret little Dem-only clown show to keep dripping out selected/approved nuggets of
Innuendo to feed the complicit DNC/MSM media. The Party Media in turn can dutifully present the Dem spin day after day after day to seed doubt and wear down Trump’s base while also hopefully duping and attracting any fence-sitters over to their side. Political theater indeed and shameful they can get away with wasting so much of our tax-payer time and money without worry or consequence.