The last few days have seen President Trump escalate his tirade against judicial bias in America's higher courts following his initial comments responding to yet another liberal California judge earlier this week blocked one of President Trump's policies - this time a new asylum rule that would have required applicants to arrive at a designated port of entry (a lot to ask, I know) - the understandably frustrated president lashed out at liberal courts in general.

"I think it's a disgrace when every case gets filed in the 9th Circuit," said Trump.

"That's not law, that's not what this country stands for. Every case that gets filed in the 9th Circuit, we get beaten and then we end up having to go to the Supreme Court, like the travel ban, and we won."

Prompting a response from Chief Justice John Roberts...

"We do not have Obama judges or Trump judges, Bush judges or Clinton judges," he said in a statement.

"What we have is an extraordinary group of dedicated judges doing their level best to do equal right to those appearing before them. That independent judiciary is something we should all be thankful for."

Which sparked a whole new spat: