Roger Worthington is helping to lead a $50 billion lawsuit against oil producers. This week he’ll face powerful critics in Congress. By Karen Zraick Native American tribes and environmental groups are ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Michael Boyle is an experienced financial professional with more than 10 years working with ...

In 2013, the president of Rwanda asked us for evaluation results from across the continent that could provide lessons for his country’s policy decisions. One program tested in Kenya jumped out, and ...

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Learn the important Racket concepts with practical examples, from functions and recursion to macros, contracts, streams, and ...