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Billy Doyle Walker loved working in the sky. He used to say he could see forever, perched high up communications towers as he applied fresh paint.

Three years ago, working halfway up a 300-foot steel tower at the LBJ Ranch, the panoramic view included the rolling green hills and meadows of the Texas Hill Country. The tower was used by former President Lyndon B. Johnson to communicate with the White House.

At a time when most pregnant women work, there are new efforts to keep companies from unfairly targeting employees because of a pregnancy. The allegations of pregnancy discrimination persist and have even risen in recent years despite a decades-old law against it, according to the Equal Employment Opportunity Commission.

Smoking is expensive, and not just for the person buying the cigs. Employers are taking hard looks at the cost of employing smokers as they try to cut health insurance costs, with some refusing to hire people who say they smoke.

But figures on the cost of smoking have been rough estimates at best, with a very general estimate of $193 billion a year nationwide.

Researchers now say they're got much tighter focus on the number: $5,800 per smoker per year.