The migrant caravan, explained

#TIA – This is as good an explanation as any for an event involving thousands and instigated by a mid-term election
If the migrant caravan didn’t exist, President Donald Trump might have needed to invent it.
The existence of a group of thousands Central Americans pushing toward the US without papers — even if they are still hundreds of miles away — seems like something Trump’s GOP might create in a lab to unleash on the eve of the midterms.
But the caravan is real. The migrants in it — mostly Hondurans (with some Guatemalans), half of whom are girls and women, many intending to seek asylum in the US — are real people.
Read more at Vox