After Republican members of the House Committee on Natural Resources opened an inquiry this month into the contentious settlement that ends most ranching in the Point Reyes National Seashore, Representative Jared Huffman condemned the probe as “scorched earth partisanship” and said it was time that the affected ranchers weigh in. 

“The public and the committee need to hear from them—not from all the people purporting to speak for them,” said Mr. Huffman, the ranking…