(WASHINGTON) — President Donald Trump declared Monday night the U.S. must continue fighting in Afghanistan to avoid the “predictable and unacceptable” results of a rapid withdrawal from the country where the U.S. has been at war for 16 years. In a prime-time address to the nation, Trump said his “original instinct was to pull out,” alluding to his long-expressed view before becoming president that Afghanistan was a unsolvable quagmire requiring a fast U.S.