Nicolette Hahn Niman, an environmental attorney and a rancher from Bolinas, is mounting an independent challenge to Representative Jared Huffman, the incumbent Democrat seeking a seventh term in California’s Second Congressional District.
Her candidacy sets up an unusual contest in a newly gerrymandered district that stretches from the liberal coastal enclaves of Marin and southern Sonoma Counties to the conservative agricultural communities in the northernmost part of the state.
The race will test the…