A must-read investigation by the Center for Public Integrity "sought to determine who bankrolls Washington's most powerful lawmakers and why -- not just recently, but over the entire course of their federal careers."
It's well known that Democrats have taken large contributions from labor unions and trial lawyers, while Republicans have significant financial backing from the tobacco industry. However, the single largest career backer of House Minority Leader John Boehner (R-OH), Senate Minority Leader Mitch McConnell (R-KY) and Sen. Harry Reid (D-NV) is the same: telecom giant AT&T.
"This bipartisan investment has paid dividends over the years as the trio
has backed the firm's priorities on telecommunications legislation and
played key roles in granting the company immunity for its participation
in the Bush administration's warrantless wiretapping program."