WDCPIXLast week, we noted that Rahm Emanuel’s brief but profitable stint as an investment banker highlights the revolving door swinging between Washington and Wall Street. Two stories in particular, one from the Chicago Tribune in 2003 and the other from Fortune Magazine in 2006, have detailed Emanuel’s days as a banker, which earned him more than $18 million in less than three years.

Today, Politico examines a major deal Emanuel worked on as the Chicago-based managing director for the now-defunct investment bank Wasserstein Perella, headed by Bruce Wasserstein, a major Democratic donor. The deal involved a $16 billion merger that created Exelon Corp., now one of the nation’s largest electric utilities.

Politico points out that Exelon is in the midst of trying to buy another company, which could create "the nation’s largest power company." From Politico: