As with most miracles, however, there are problems. One is that, for the arithmetic to work out, someone has to pay. The government doesn’t say who that will be. But it’s a good bet that the politically important constituency of suburban commuters will be net losers.
I am speaking specifically about this country’s financial contribution to NATO, the international alliance formed after the Second World War, constructed around the principle of collective defence. Article 5 of the establishing charter declares that “an attack on one is an attack on all.” […]