The Swiss are discussing paying people $2,500 a month for doing nothing.The country will vote June 5 on whether the government should introduce an unconditional basic income to replace various welfare benefits. Although the initiators of the plan haven’t stipulated how large the payout should be, they’ve suggested the sum of 2,500 francs ($2,500) for an adult and a quarter of that for a child. It sounds good, but — two things. It would barely…