 Welcome back to the Federal Drive with Tom Temin here on Federal News Network. The Supreme Court last week overturned a 40-year precedent. In a case brought by New England fishermen, the court reversed what's been known as Chevron deference. In the 1984 case, the court said judges should generally defer to federal agencies when rules they make are reasonable and the enabling law was ambiguous. Last week's decision reverses that thinking. And for what this might mean to agency rulemaking operations...