1. CLEAN POWER PLAN
Coming soon, Trump's new rule might have 'fuzzy math'
When the Obama administration issued its landmark climate rule in 2015, officials declared that benefits to public health and the climate would be enormous — dwarfing the costs. Now, the Trump administration is poised to ax the rule. As Trump's team formalizes its plans, officials are grappling with an important question: How will they change Obama's numbers to justify their plans?