French President Emmanuel Macron was expected Thursday to name a new prime minister a week after MPs toppled the government, shortening a visit to Poland amid a torrent of criticism over the prolonged political crisis.Macron had promised to name a replacement government chief within 48 hours of meeting party leaders Tuesday, participants said.But he remains confronted with the complex political equation that emerged from July’s snap parliamentary poll: how to secure a government against a no-confidence vote in a bitterly divided lower house where no party or alliance has a majority.Hope…