03/28/2008 02:45 am ET | Updated May 25, 2011

The Rezko Connection: Obama's Achilles Heel?

In sharp contrast to his tough talk about ethics reform in government, Sen. Barack Obama, D-Ill., approached a well-known Illinois political fixer under active federal investigation, Antoin "Tony" Rezko, for "advice" as he sought to find a way to buy a house shortly after being elected to the United States Senate.

The parcel included an adjacent lot which Obama told the Chicago Tribune he could not afford because "it was already a stretch to buy the house."

Read more on ABC's The Blotter