Photo by andertho Federal authorities have arrested 27 people so far in a massive bribery case tied to the D.C. taxicab industry. Two indictments released today accuse a total of 39 individuals of conspiring to bribe city officials in order to obtain fraudulent taxi licenses between 2007 and 2009. Head to City Desk for downloadable .PDFs of the indictments. The documents reveal that D.C. Taxicab Commission Chairman Leon Swain was the man who first…