https://www.cnbc.com/2018/04/14/trump-wants-to-prove-his-point-about-amazon--so-hes-looking-into-the-post-offices-finances.html

President Donald Trump is clearly not a fan of Amazon. He attacked the company via Twitter five times in one week.

Now, he's demanding an audit of the Postal Service's finances. Trump didn't say he's specifically looking into the Post Office's deal with Amazon, but it seems like he's trying to back up his claims.