AFP Interview: UN refugee chief says Sudan likely to grant Darfur &lt;b&gt;...&lt;/b&gt; ABECHE, Chad, Sept 26 (AFP) -- The Sudanese government has seen the writing on the wall and is likely to grant some autonomy to the violence-wracked Darfur region but the rebels should now do their bit to end the world #39;s worst humanitarian crisis, UN High 