By Steve Holland and Andrea Shalal WASHINGTON (Reuters) -President Joe Biden said on Friday the G7 industrialized nations will revoke Russia’s “most favored nation” trade status, and announced a U.S. ban on Russian seafood, alcohol and diamonds, the latest steps to punish Moscow over its invasion of Ukraine. The move would deliver “another crushing below” to Russia, as it continues its aggression in Ukraine, Biden said. President Vladimir Putin is an “aggressor, the aggressor,” Biden said, and he must “pay a price.” He also said the United States would add new names to a list of Russian oligar…