The question of guilt has nevertheless continued to nag at Japan's national conscience.

ECONOMIST: A god dethroned

Nonetheless, one point in the discussion continues to nag at me.

FORBES: How Double Taxed Are Investors ?

Dywedodd gweision sifil sy'n gyfrifol am weithredu'r rhaglen wrth y pwyllgor bod y rhaglen yn cymryd agwedd fwy strategol at fuddsoddi cyfalaf nag o'r blaen.

BBC: Pwyllgor Cyfrifon Cyhoeddus

But Rajat Nag, a top official at the Asian Development Bank, may have gotten it right when he said, the era of cheap food is over.

NPR: Global Outcry Over Rising Food Prices

Apple also moved to address issues that nag consumers, adding a "Do Not Disturb" feature to avoid unwanted messages at night.

WSJ: Apple Steps Up Rivalry With Google

Mae'r rhaglen yn nodi y dylai ysgolion fod yn addas at y diben a bod angen rhaglen buddsoddi sylweddol i adnewyddu adeiladu, gyda mwy o arian nag a ddarparwyd yn ystod tymor diwethaf y cynulliad.

BBC: Pwyllgor Cyfrifon Cyhoeddus

An unsettling question has begun to nag as Team Obama's conduct of security policy becomes ever more inconsistent with common sense - and, at least in some cases, manifestly at odds with our national interests: Whose side are they on?

CENTERFORSECURITYPOLICY: Whose side are they on?