history repeating itself

sub·sti·tute [ˈsʌbstɪˌtjuːt]
n.
1. One that takes the place of another; a replacement
2. Grammar A word or construction used in place of another word, phrase, or clause.
v. sub·sti·tut·ed, sub·sti·tut·ing, sub·sti·tutes
v.tr.
1. To put or use (a person or thing) in place of another
2. Chemistry To replace (one or more elements or radicals in a compound) by other elements or radicals.
v.intr.
To take the place of another.

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