CNN Debunks False Obama ‘Madrassa’ Smear

[As referenced in MoveOn.org's mass e-mail from Noah T Winer, dated 22 February 2007]

Thing is... Obama did attend a Muslim madrassa in his elementary years.

From Merriam-Webster

Main Entry: ma·dras·sa
Variant(s): or ma·dra·sa also ma·dras·sah or ma·dra·sah /m&-'dra-s&, -'drä-/
Function: noun
Etymology: Arabic madrasa
: a Muslim school, college, or university that is often part of a mosque