U.S. President <a class="mw-redirect" href="https://en.wikipedia.org/wiki/William_Taft" id="mwAQ4" rel="mw:WikiLink" title="William Taft">William Taft</a> used what became known as a <a href="https://en.wikipedia.org/wiki/Saxbe_fix" id="mwAQ8" rel="mw:WikiLink" title="Saxbe fix">Saxbe fix</a>, a mechanism to avoid the restriction of the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/United_States_Constitution" id="mwARA" rel="mw:WikiLink" title="United States Constitution">U.S. Constitution</a>'s <a href="https://en.wikipedia.org/wiki/Ineligibility_Clause" id="mwARE" rel="mw:WikiLink" title="Ineligibility Clause">Ineligibility Clause</a>, to appoint <a href="https://en.wikipedia.org/wiki/Philander_C._Knox" id="mwARI" rel="mw:WikiLink" title="Philander C. Knox">Philander C. Knox</a> as <a href="https://en.wikipedia.org/wiki/United_States_Secretary_of_State" id="mwARM" rel="mw:WikiLink" title="United States Secretary of State">U.S. Secretary of State</a>.