By Brian Knowlton, Adam Nagourney and Jeff Zeleny John M. Broder contributed from Springfield, Illinois; Carl Hulse contributed from Washington; and Dalia Sussman from New York.

By Adam Nagourney and Patrick Healy Clinton has accused Obama's campaign of distorting her remarks to suggest that she had cast aspersions on the Reverend Martin Luther King Jr., Adam Nagourney and Patrick Healy reported from Reno, Nevada.

By Marc Santora and Adam Nagourney Senator John McCain and Mitt Romney sped to Michigan and turned their focus to the slowing economy as they headed toward the next showdown in the race for the Republican presidential nomination.