Does it ever make sense to "collaborate" with the right?

It just doesn't make sense to generalize about this question!

A recent article by Nathan Robinson in Current Affairs — Isn’t “Right-Wing Populism” Just Fascism? — has sparked a new round of debate over how the political left should relate to the right and whether it ever makes sense for us to collaborate. As a rule, this debate seems to be framed between two absolute positions. On one hand, there is a rejectionist…