Floods
Here is where we need Trump's wall!

Transcript
Paul and Max watch TV.
TV: ...due to the ongoing floods in California, Sierra Nevada changed its name to Playa Mojada...
Max: Terrible! All that beer washed away! Who would have thought climate change would be that bad?
Paul: Indeed! Why doesn't Trump just build his wall on the Pacific instead? Ok, scratch that, that might actually make sense...
Max: And the Pacific is going to pay for it!