I. Bu ‧ chan ‧ an, James /bjuːˈkænən/ BrE AmE
(1791–1868) the 15th President of the US (1857–61)
II. Buchanan, Patrick BrE AmE
(1938–) a US politician, ↑ journalist , and television ↑ commentator . He has tried to become president several times, and he is considered to be very ↑ right-wing .