Enzymes and extracts and acid, oh my! Eric Asimov, wine columnist for the New York Times, takes a long look at how wines can be manipulated with permissable additives. Bloomberg News wine columnist John Mariani offers some thoughts on fine Pinot Blanc wines. And wine columnist Fred Tasker of the Miami Herald weighs in on the evolution of quality in Chianti, and recommends several worth trying. JG

Baltimore Sun: Wine writer Michael Dresser picks Casa Lapostolle Grand Selection Sauvignon Blanc 2012. (Link)

Cleveland Plain Dealer: Staff writer Donald Rosenberg picks Marques de Riscal Rioja Rose 2011. (Link)

Las Vegas Review-Journal: Wine writer Gil Lempert-Schwarz chooses RosenblumCellars Zinfandel Sonoma County 2007. (Link)

Dallas Morning News: Wine columnist Rebecca Murphy picks Caldora Terre de Chieti IGT Unoaked Chardonnay 2011. (Link)

New York Times: Wine columnist Eric Asimov on additives commonly used in winemaking and their effects on taste. (Link)

Wall Street Journal: Wine columnist LettieTeague on the white wines of the Savoie region. (Link) On another page, notes on wines from Eugene Carrel, G. Berlioz, Domaine Belluard Gringet, Domaine Jean Vullien, and Domaine Giachino. (Link) Staff writer Will Lyons visits with winemaker Francois Mitjaville of Tertre Roteboeuf in Bordeaux. (Link)

Bloomberg News Service: Wine columnist John Mariani on Pinot Blanc wines, with nice mentions for producers Zind Humbrecht, Domaine Mittnacht Freres, Jean-Marie Haag, and others. (Link)

Newark Star-Ledger: Wine writer John Foy on Beaulieu Vineyards, with praise for the Napa Valley Cabernet Sauvignon 2010. (Link)

Sacramento Bee: Wine columnist Mike Dunne on Crew Wine Co., with nice comments for the Chasing Venus Marlborough Sauvignon Blanc 2012. (Link)

Napa Register: Wine columnist Dan Berger on Pinot Noir wines from the Sonoma Coast, with a focus on wines from Gap's Crown Vineyard. Also, recommendation for StemmlerPinot Noir 2010. (Link)

Washington Post: Wine columnist Dave McIntyre on the imprecise nature of wine tasting and evaluation. (Link) On another page, tasting notes on several wines, with highest ratings for wines from Steininger, Hartford Court, and Borie la Vitarele. (Link)

Dallas Morning News: Staff writer Tina Danze reports on a tasting of dry rose wines. Top panel picks are Pradeaux Bandol Rose 2011, and Las Rocas de San Alejandro Rose 2012. (Link)

Minneapolis Star Tribune: Wine writer Bill Ward recommmends Santa Maria La Palma Aragosta Vermentino di Sardegna 2011. (Link)

Miami Herald: Wine columnist Fred Tasker on Chianti, with highest recommendations for wines from Badia a Coltibuono, Aia Vecchia, and Da Vinci. (Link)

Chicago Tribune: Wine columnist Bill St. John on the rise in popularity of dry rose wines from many regions. Recommendation for Vera Rose Vinho Verde 2012 as best under $10. (Link)

The Oregonian: Wine columnist Katherine Cole on Prosecco, with praise for Marchesi di Gresy 'La Serra' Mostcato d'Asti 2012. (Link)

Vinography: Wine blogger Alder Yarrow offers tasting notes on several wines from Keplinger in Napa Valley. (Link)

Dr. Vino: Wine blogger Tyler Colman on his for-credit wine class at the New School in New York. (Link)

Bigger Than Your Head: Wine blogger Fredric Koeppel on the 2009 vintage white wines from Burgundy, with tastings notes on wines from A et P de Villaine, and Frederic Magnien. (Link)

The Feiring Line: Wine blogger Alice Feiring offers tasting notes on several natural wines made in France. (Link)

Wine Review Online: Wine writer Marguerite Thomas on Prosecco. Lots of history and background, with extensive listing of current releases from many prominent producers. (Link)

1WineDude: Wine blogger Joe Roberts offers mini reviews on wines from Sequoia Grove, Ampakama, Hestia, Domaine Paul Mas, Casa Montes, Don Balthazar, and Rocca. (Link)

The Gray Report: Wine blogger Blake Gray on the NTSB's proposal to lower the DUI limit to 0.05. (Link)

Terroirist: Wine blogger David White interviews winemaker Charles Smith of Smith-Madrone winery. (Link)

TimAtkin: Wine blogger Tim Atkin on the evolution of the wine business and the development of 'edgy' brands. (Link)

Zester Daily: Wine blogger ElinMcCoy recommends Inama Soave Classico 2011. (Link)

WineDiarist: Wine blogger Mike Steinberger on the reports of Bordeaux winemakers preparing special wines for en primeur tastings by leading wine critics. (Link)

JancisRobinson: Wine blogger Jancis Robinson recommends Salvaje del Moncayo La Garnacha 2011. (Link)

Diner's Journal: Wine bloggerEric Asimov offers some thoughts on wines to drink with an Asian style stew. Gruner Veltliner and fino sherry come to mind, along with Chinon or Bourgueil. (Link)