Obama expecting to get 'misty ' during first lady 's speech . Memorable moment : future Texas governor Ann Richards said Bush '41 ' was born with a `` silver foot in his mouth '' DNC : Barack Obama was the last African American to deliver a keynote address in 2004 . Comment: John Lynch was the last African American to keynote a Republican convention in 1884 . In 1992 , then-candidate Bill Clinton got a boost of 16 points after the DNC , going from 40 % to 56 % .
Memorable moment : future Texas governor Ann Richards said Bush '41 ' was born with a `` silver foot in his mouth '' DNC : Barack Obama was the last African American to deliver a keynote address in 2004 . Comment: John Lynch was the last African American to keynote a Republican convention in 1884 . In 1992 , then-candidate Bill Clinton got a boost of 16 points after the DNC , going from 40 % to 56 % .