President Barack Obama said it is “not logical” to think that a government-run health care program competing with private health insurers would eventually drive the private firms out of business. The concern expressed by many Republicans and some private insurers has been one of the leading arguments against the president’s plan to establish a “public option” health care program. At a White House press conference on Tuesday, Obama said: “Why would it drive private insurance out of business? If private insurers say that the marketplace provides the best quality health care; if they tell us that they're offering a good...