I'm also missing the much-hyped "I Love You Philip Morris, " a gay-themed drama starring Jim Carrey, and "Grace, " a buzz-worthy horror film about the perils of breastfeeding.

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"I wasn't sure if I should put the ending part in the video with me crying, but thought that was a real reflection of a love for a mother, and missing her, " Walsh said.

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For all of Mountain Lion's iOS-derived goodness, one highlight plenty of folks would love to see in OS X is still missing in action: Siri, the voice-controlled personal assistant.

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