U.S. cable giants appear to be maneuvering for control of Time Warner Cable Inc., the country's second-biggest cable firm, setting up a possible takeover fight that could reshape America's television landscape.

Comcast Corp., the nation's biggest cable operator, is weighing whether to jump into the battle for Time Warner Cable, which is already being pursued by Charter Communications Inc. and Charter's largest shareholder, John Malone's Liberty Media Corp.

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