The flag design was a sticking point in Iraq's 2005 passage of a constitution.

CNN: Couple, son killed during U.S. raid in Iraq

Mr. BAKTIAR MOHAMED (Bus driver, Iraq): (Through translator) We take the flag because if we don't, we would be killed.

NPR: Flag Symbolizes Divisive Issue of Kurdish Autonomy

Yet Mr Botsali's public appearance before the Kurdish flag marks a shift in Turkey's approach to Iraq's Kurds.

ECONOMIST: Iraq's Kurds and Turkey

Mr. OMAR ADNAN (Car Part Salesman, Iraq): (Through translator) The Iraqi street might well revolt on this issue of changing the flag.

NPR: Flag Symbolizes Divisive Issue of Kurdish Autonomy