do you think it will be fair to put Biden through- if he wins- the investigations like they did Trump- tit for tat- while we Americans lose?

Yrp - investigate the "Iranian and Chinese Collusion"

There will be a special prosecutor investigating Biden.

People who do wrong things should be investigated if there is evidence.  There has never been any real factual evidence against Hillary, Obama or Biden.  The people who say there is are not telling the truth.

He's not nearly as suspicious as Trump. Biden is very forthcoming with his tax returns. Didn't Trump promise to release them already?

Fox is even rejecting Rudy. He took off the mic, without reaching into his pants this time, and threatened to walk off?

According to liberal logic, yes. 

According to liberal hypocrisy, no