The government must provide a lawyer to a suspect who cannot pay for one.
Explanation:
First of all, that is the current law in the US. Second, the quote tells us that ANYONE without counsel cannot be assured a fair trial. he doesn't specifically mention class or money. Last, he says that counsel must be provided for the person on trial. This means without pay. The defendant must have a lawyer to ensure a fair trial, even if they can't afford one. Therefore, it's the government's job to provide one.