In the News: AOL, Facebook, Four Loko and more

Airstream peddles premium RVs in a recession.

AOL unveils beta version of new email hub. as Facebook rolls out email service.

Apple brings mobile iAds to Europe this week.

Arcelor expresses interest in buying Massey.

BHP Billiton withdraws its takeover bid for Potash in the wake of Canadian-government opposition.

Caterpillar to buy Bucyrus in $8.6 billion deal.

Daily Beast's Tina Brown begins transforming Newsweek, including plans to fold (update: incorporate) its website.

EDeals.com lands coupon deals with major media brands.

Facebook ups the ante today in its battle with Google.

Four Loko is disappearing in New York state as embattled brand owner Phusion Projects agrees to stop shipments, following bans in Michigan, Washington and Utah.

FOX changes marketing for American Idol to emphasize stars over judges.

Lexus and other auto brands aim to engage social-media mavens.

McDonald's Happy Meal toy ban in San Francisco vetoed by mayor Gavin Newsom.

NBC promotes recording the news in new advertising.

News Corp. drives into the education business.

Pulse News Reader progresses with its mobile news feeder app.

R.J. Reynolds, under fire for latest Camels marketing, fights FDA's proposed cigarette packaging labels in US as tobacco giants worldwide face local battles.

Target, Best Buy and Wal-Mart hope to put an e-reader under every Christmas tree.

Unilever unveils "ambitious" sustainability program in the wake of P&G's announcement.

Wal-Mart is shopping for acquisitions in Japan, and plans to open on Thanksgiving (along with Sears).

Warner Music is contemplating a $750 million bid for EMI's recorded music assets.

Wendy’s and Arby’s tweak menus to drive sales turnaround for the Wendy’s / Arby’s Group.

Yahoo expands blog network.