U.S. gross domestic product shrank again in the second quarter, fueling fears of a recession. Ukraine is pushing to retake ground in the south as Russia pours in reinforcements. JetBlue Airways reached a deal to buy Spirit Airlines, creating the fifth largest airline in the United States. Scientists have set out to map fungal networks that could help fight climate change on a global scale. Americans are surrendering to summer heat to survive the ultramarathon of misery that now defines the white-hot American summer, some keep their curtains closed all day or head out with a frozen water bottle to deal with the sweltering heat. At the state level, West Virginia said it would stop doing business with banks that did not support the coal industry. . . .
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