Apple adds keyboard touch functions to Mac in major refresh

By Robert McMillan, Dow Jones Newswires
CUPERTINO, CALIF. — Apple Inc. introduced new versions of its Macintosh personal computers Thursday, betting that smaller, thinner models and a touch screen on the keyboard will reverse declining sales.
Apple refreshed its MacBook Pro laptops, adding a thin touch screen on top of the keyboards of some models. Users can slide and touch the bar to edit photos, navigate the web or authorize online purchases.
At an event at its Cupertino, Calif