Daniel L. Vasella, chief executive of Novartis, discusses the challenges facing the health care system. Read more..

By WILLIAM HOLSTEIN - The New York Times

The Federal Reserve could feel more pressure from Democrats and Republicans to cut interest rates. Read more..

By EDMUND L. ANDREWS - The New York Times

One breadwinner mother finds that the role requires a steeper learning curve and a stronger stomach than expected. Read more..

By M. P. DUNLEAVEY - The New York Times

Robert L. Nardelli said the problems were causing sales of cars and trucks to decline and would affect the automaker’s planning for the coming years. Read more..

By MICHELINE MAYNARD and NICK BUNKLEY - The New York Times

Countrywide, the nation’s largest mortgage lender, said Friday that it would lay off up to 20 percent of its workforce over the next three months. Read more..

By ERIC DASH - The New York Times

Learning to drive an open-wheel Formula Dodge offers many rewards, and some risks as well. Read more..

By HARRY HURT III - The New York Times

Spotting the next disruptive technology, understanding the future and expecting less from insurance. Read more..

By PAUL B. BROWN - The New York Times

With Canada saturated, the doughnut chain Tim Hortons is looking to the U.S. for growth, despite past difficulties faced by other Canadian retailers. Read more..

By IAN AUSTEN - The New York Times

Motorola executives said they would introduce a series of innovative new cellphones, rather than a “one-hit wonder” like the Razr. Read more..

By BLOOMBERG NEWS - The New York Times

A “non-geek” recounts the trials and tribulations of owning a Treo smartphone made by Palm. Read more..

By JOE NOCERA - The New York Times