That's why deterrence is the only thing working. If the US even suggests it might not consider an attack on Latvia the same as an attack on Washington, then there is no deterrent.
As you say, the Baltics can't be defended (at least not longer than 1-2 days) and there is no good strategy with Sweden and Finland outside NATO (Sweden accepts US use of bases - but would they in a crisis if Russia makes clear it will make Sweden a target?).
That's why deterrence is the only thing working. If the US even suggests it might not consider an attack on Latvia the same as an attack on Washington, then there is no deterrent.
As you say, the Baltics can't be defended (at least not longer than 1-2 days) and there is no good strategy with Sweden and Finland outside NATO (Sweden accepts US use of bases - but would they in a crisis if Russia makes clear it will make Sweden a target?).