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The knockout blow landed when 1 million customers initially lost power in Puerto Rico after Hurricane Irma -- and Maria virtually knocked all electricity out of the island when it made landfall Wednesday. It's troubling because the government's power authority, Prepa, owes billion in debt backed by money it makes from electricity bills, according to The New York Times. 394

The Logan Act, passed in 1799, bans private citizens from negotiating with foreign governments, but it is hardly ever used in practice. More pressing for Flynn might be what he told the FBI about the calls. 206

The president spent a rare Christmas in Washington because of a stalemate with Congress over government funding that left several departments and agencies shuttered since the weekend, affecting the livelihoods of some 800,000 federal employees. 244

The No. 1 driver of ice cream cravings is its sweetness, explained Gail Civille, founder and president of Sensory Spectrum, a consulting firm that helps companies learn how sensory cues drive consumer perceptions of products. Ice cream should not be "cloyingly sweet -- so you can eat more of it," Civille said.The amount of fat is important, too. To even be called "ice cream," a product must contain at least 10% milk fat, also called butterfat. Premium ice cream tends to max out around 18% milk fat, which can come from milk, cream or butter."The more butterfat, the better the mouthfeel," said Deanna Simons, the quality manager of Cornell's Dairy Bar, which produces premium ice cream on campus, including flavors such as Kahlua Fudge and Triple Caramel Bliss. Having a lower overrun, a term that refers to the amount of air incorporated into ice cream, also contributes to an appealing mouthfeel, according to Simons.So, sweetness -- which contributes to the taste variable -- and fat -- which contributes to texture and triggers that you've eaten something substantial -- are key players in the likability of any particular ice cream. But Civille also points to another interesting food characteristic that plays a very important role in an ice cream's appeal: control over melt."The melting [of ice cream] gives an additional sensory experience unlike other types of foods, because you don't get the same transformation [from other foods]," explained Alina N. Stelick, a scientist who runs sensory tests on ice cream at Cornell University's Sensory Evaluation Center.The melt should be "not too fast" and "not too slow," which can make an ice cream feel gummy, according to Civille.To better understand the concept of melt, thinks of "mix-ins," such as chocolate chips or nuts. "The ice cream acts as the lubricant," Civille explained. "The ice cream matrix needs to melt slowly enough so you can get at the pieces and chew them and get rid of them before the ice cream is completely gone."Ice cream companies have perfected the concept of melt by adding a minimum amount of fat, or thickeners and gums, which can mimic the effects of fat if done properly, Civille explained. 2184

The issue was more of a communications failure on who was reviewing the tape, letting our guys know that it was a 20-minute delay in what they were reviewing, Pustizzi said. 173