NEW : Aides says Obama 's speech will call for a new era of responsibility . His inauguration speech is being compared to Roosevelt 's and Roosevelt 's . CNN 's Scott J. Anderson contributed to this report . Obama is expected to `` calm the nation '' like MLK did in 1933 , columnist says . The 44th African-Americans president is also likely to refer to MLK 's address .
NEW : Aides says Obama 's speech will call for a new era of responsibility . His inauguration speech is being compared to Roosevelt 's and Roosevelt 's . Obama is expected to `` calm the nation '' like MLK did in 1933 , columnist says . The 44th African-Americans president is also likely to refer to MLK 's address .