The office of U.S. Rep. Jesse Jackson Jr. (D-Chicago) announced yesterday that the congressman has been on medical leave since June 10 and no date is set for his return. A press release from Jackson's office said he is being treated for exhaustion and, "Asks that you respect his family's privacy." A friend of Jackson's told the Sun-Times that Jackson has "been fighting really hard to save his marriage." 

After 2010 redistricting, Jackson represents Illinois' 2nd Congressional District. He convincingly won a contested Democratic primary this March against Debbie Halvorson, a former U.S. congresswoman.