US intelligence officials predicted two years ago that the Islamic State group would likely regain much of its former strength and global influence, particularly if American and other Western forces reduced their role in countering the extremist movement, according to a newly declassified report. Analysts said many of the judgments in the 2020 report appear prescient today, particularly as the group is resurgent in Afghanistan following President Joe Biden’s withdrawal of American forces last year. The Islamic State group is no longer controlling huge swaths of territory or staging attacks in …