A hard-right party gathers strength in Poland, pushing a new, less friendly course on Ukraine

Poland’s hard-right Confederation party opened its electoral campaign convention as if it were a rock concert, with a singer riding up on a motorcycle, its engine revving, and a pyrotechnic show of flames and sparklers. The party has been growing in popularity, especially among young men fed up with the political parties that have dominated Poland for most of the post-Communist era. Its convention in Katowice on Saturday, billed as its largest ahead of parliamentary elections on Oct. 15, was aimed at energizing more voters and at playing down antisemitism and other extreme views among some of its members.