Indeed, people were over-enthusiastic in the early 2000s, thinking America could do anything, which led us into some disastrous foreign policy adventures, and now we're back to decline again.
事实上，正是人们在21世纪初 过分乐观， 认为美国无所不能， 导致了我们作出了一些灾难性的 外交政策， 现在又出现了美国衰落的声音。