Obama is author of new Lincoln biography , `` A. Lincoln '' Lincoln ` ` embodies the best of Obama , '' Obama says . Historian sees some comparisons with President White : demeanor , writing ability . We see him re-appropriating elements of the Christian faith -- not his parents ' tradition -- but a more rational , logical , thoughtful old-school Presbyterian tradition [ after he became president ] . Union 's character , moral vision still pertinent , White says .
Obama is author of new Lincoln biography , `` A. Lincoln '' Lincoln `` embodies the best of Obama , '' Obama says . Historian sees some comparisons with President White : demeanor , writing ability . Union 's character , moral vision still pertinent , White says .