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There are conflicting signals about what is happening inside the Zardari government, and mixed signals on U.S. and India. Pakistani experts are now convinced that India's 'evidence' regarding Mumbai is not watertight. But a pro-U.S. core within the Pakistani government is preventing Islamabad from talking openly about it. The Pakistani media and political class remain confused about priorities, discussing nonissues such as the marks of a daughter of a senior judge and political backstabbing when the country faces a gathering storm on its international borders. The debate within military circles is substantive. But the military won't intervene. ISLAMABAD, Pakistan— There are some indications that the Zardari government is taking a tougher line toward India and toward the proxy U.S. pressure regarding the Mumbai attacks and the U.S. attacks inside Pakistan. This change, if real, contrasts sharply with the initial passive attitude of the members of the government...