Email a copy of "New disc may sway DVD wars" to a friend.
Consumers wary of buying new high-definition DVD players because of a technology war reminiscent of the days of Betamax versus VHS will soon have a new kind of DVD that might make the decision less daunting.
Warner Bros., which helped popularize the DVD more than a decade ago, plans to announce next week a single videodisc that can play films...
