ON THE TRAIL: Friday, April 4, 2008

Compiled by Jonathan Helman, CNN Washington Bureau

*Hillary Clinton visits Memphis, Tennessee to honor Dr. Martin Luther King Jr. and addresses the North Dakota State Democratic Convention in Grand Forks, North Dakota.

*John McCain visits the National Civil Rights Museum in Memphis, Tennessee. While there he gives remarks to the Southern Christian Leadership Conference, holds a media availability and participates in the laying of the wreath ceremony.

*Barack Obama holds a town hall meeting in Ft. Wayne, Indiana and address the North Dakota State Democratic Convention in Grand Forks, North Dakota.