John Oliver takes 18-minutes to explain what's wrong with US immigration courts

The immigration courts in the US have some problems. A lot of problems, from the sounds of it.
In the video above for Last Week Tonight, John Oliver breaks them down one by one — everything from the massive discrepancy in the deportation rate between cities to the fact that people who can't afford a lawyer are often forced to represent themselves.
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"The truth here is we are going to need big changes," says