By Kevin Bogardus and Megan R. Wilson - 08/20/13 08:55 AM EDT
Buchanan is easily one of the wealthiest on Capitol Hill, with more than more than $58 million in car dealerships, stocks, bonds, real estate and other ventures.
But the entrepreneur-turned-congressman's wealth is undercut by close to $26 million in mortgages and liabilities.
His portfolio has contracted since 2011, dropping several assets last year. On his 2012 financial form, he also notes writing off a loan worth at least $250,000 that he extended to a Ford and Chevrolet dealership.
— Megan R. Wilson