Robert De Niro's attacks on President Donald Trump are almost a daily occurrence these days, so its no surprise he called the president a 'piece of sh*t' before touting Democratic candidate Pete Buttigieg as capable of winning the White House in 2020.“Buttigieg, I like a lot,” De Niro said, according to The Daily Beast.“He’s got all the credentials—Rhodes Scholar, Afghanistan veteran—even though he’s young, and if he could get a chance, it could be something special, I think.”