EditorialsChinese shadows China has become an enabler of evil. The Gipper as diarist Anyone hungering for historical disclosure and nuance in Ronald Reagan's presidential diaries will have to settle for a prosaic and amiably unrevealing drone. Still best in show If America gave up its position as the regulatory gold standard, foreign companies might have far less incentive to list their shares on American exchanges. Op-Ed ColumnistsThe imperial overreach By H. D. S. GREENWAY / The Boston Globe Rulers reach for more and more power until their parliaments and barons begin clipping regal wings. Where history reigns By DAVID BROOKS Although I've been an Anglophile all my life, I was never able to participate in a fawning orgy of Albion worship until the British ambassador's party for the queen. Op-Ed ContributorsDo not neglect culture By NASSRINE AZIMI In recent nation-building operations, culture has been at best an afterthought. The assault on Assyrian Christians By PAUL ISAAC Iraq's Assyrian Christians know quite well that these latest threats are not empty promises. Sounds of silence By COLUM MCCANN A promising pact in Belfast won't bring peace overnight. Meanwhile Meanwhile: In forgotten New Orleans, life stirs at the bottomLanguage: Can anyone really know the meaning of midlife?