The administration’s claims are overblown, but newly declassified information provides some messy details about a January 2017 intelligence assessment of Moscow’s election interference.The Trump administration in recent weeks has released a series of reports intended to undermine the conclusion reached by intelligence agencies before President Trump’s first term that Russia had favored his candidacy in 2016 and sought to improve his chances of winning.That assessment, an unclassified version of which was made public in January 2017, has long infuriated Mr. Trump. In disclosing the reports, he and his team are proclaiming that President Barack Obama and his team torqued the...