Poland, Spain say will back Juncker for EU top job

WARSAW (Reuters) - Poland will back Jean-Claude Juncker for the job of next European Commission president if his candidacy is put to a vote among European heads of government, Polish Prime Minister Donald Tusk told a news conference on Monday. Spanish Prime Minister Mariano Rajoy, who is visiting Poland and stood alongside Tusk at the news conference, said Spain would back Juncker's candidacy. (Reporting by Adrian Krajewski; Writing by Christian Lowe)