Carl Bildt, former prime minister of Sweden and co-chair of the European Council on Foreign Relations, shares his perspective on European politics from the Security Forum in Warsaw, Poland.

What are the implications of the revisions to the nuclear doctrine that President Putin of Russia announced last week?

We don't really know, but I would rather see it as a sign of weakness. If President Putin had confidence in the ability of his conventional forces to achieve the aims that he has set for them in his aggression against Ukraine, he wouldn't need to do this. Does it mean that he's intending to use nuclear weapons? Not necessarily. But he wants to remind us of the fact that it's in his arsenal, and I think we know that already.

What are the implications of the victory of the far-right forces in the Austrian elections?

Well, it is quite worrying, I have to say. The far-right Freedom Party is really far-right and really pro-Russian. They got 29% of the vote, a record for them. And whether they will be able to form a government, I think the other parties will try to form a government against them. I think it's going to take a couple of months to see whether that succeeds or not. But the worrying thing is, of course, that there's a risk of the formation of a far-right, nationalist, more neutralistic, you could say, bloc in Central Europe. We already have the Hungarians under Viktor Orbán nearby. We have Bratislava with the government there. There's an election coming up in the Czech Republic next year. So I'm not entirely comfortable, to put it mildly, with what we have seen coming out of the Austrian election.

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