Sep 11 - By Julie Hirschfeld Davis, Associated Press Writer
Four Democratic senators urged the mortgage companies Fannie Mae and Freddie Mac on Thursday to temporarily freeze foreclosures on loans they hold.
Aug 14 - By Mary Clare Jalonick, Associated Press Writer
Four Democratic senators on Thursday asked for an investigation into a government report on oil prices that the lawmakers said was based on flawed information.
Jul 29 - By Dina Cappiello, Associated Press Writer
Four Democratic senators called Tuesday for Stephen Johnson to resign as administrator of the Environmental Protection Agency and asked Attorney General Michael Mukasey to begin an investigation into whether he lied in testimony to a Senate committee.
Jul 16 - By Anne Flaherty, Associated Press Writer
Four Democratic senators, including Sen. Carl Levin, on Wednesday called on the State Department's inspector general to investigate whether agency employees encouraged lucrative oil deals between Iraq and several Western companies.

Oct 9 - By Kathy Barks Hoffman, AP Political Writer
Five Democratic candidates have withdrawn from Michigan's Jan. 15 presidential primary, leaving what amounts to a beauty contest for front-runner Hillary Rodham Clinton and a handful of lesser-knowns.