He attended one year at Stanford University before returning to Bozeman, where he earned a Bachelor of Science degree from Montana State University in 1967.
He was the Republican nominee in the 2010 United States. Senate election in Oregon, facing incumbent Ron Wyden. He earned a master"s degree from the Fletcher School of Law and Diplomacy at Tufts University in 1969, and a law degree from the University of Chicago in 1972. Huffman joined the law faculty at Lewis & Clark in 1973 and served as Dean of the Law School from 1994 to 2006, when he returned to full-time teaching.
Huffman teaches Constitutional law, jurisprudence, and natural resources and water law.
Huffman announced his candidacy for the Republican nomination in the 2010 United States Senate election for the seat held by Democrat Ron Wyden. In the November general election, Huffman lost to Wyden 57%–39%.