*President Obama opts for mushroom and fontina pizza and a “Carnivore” pie to go at Massachusetts event. (Boston Herald)

*Quebec pizzeria offers five varieties of poutine pizza. (MTL Blog)

*Not to be topped, Toronto pizzeria serves bone marrow pizza. (Blog TO)

*Improved high-heat oven technology leads to growth in fast casual pizza chains. (Pizza Marketplace)

*Owners of hip Brooklyn pizzeria Roberta’s fall out over finances. (New York Times)

*Michigan duo is first to complete 700-square-inch pizza challenge. (MLive.com) It didn’t go so well for a pair of reporters who tried it. (MLive.com)

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