"Once again, working with another country to investigate potential wrong-doing by a US administration -in that country- is not wrong"
Yeah, man. But's not what Trump did.
He put the screws on a foreign power to elicit something to his personal political advantage.
He's looking for foreign help to get elected. Something people like you said he was horribly and falsely accused of in 2016 and now say is perfectly fine for him to do.