President Obama to speak on voting rights at convention for National Action Network.
President Obama also nominates Sylvia Mathews Burwell as his new Health & Human Services Secretary.
New rule in Miami-Dade County prevents voters waiting in line from using bathroom at polling stations.
Fox News pundits ask if "whining" Attorney General Holder is playing "the race card" and “using his skin color as a shield."
Audio tape of GOP senate candidate surfaces making controversial statements about slavery, race and women. (Audio)