O-O-P-S. President Barack Obama had a spelling blunder Thursday while praising Aretha Franklin. Obama misspelled “respect” while lauding the “Queen of Soul” before a White House concert featuring several musical legends. “When Aretha first told us what R-S-P-E-C-T meant to her,” Obama said, before the audience in the East Room erupted into laughter. He then continued, “”She had no idea it would become a rallying cry for African-Americans, and women, and then everyone who felt marginalized because of what they looked like or who they loved. They wanted some respect. Later, when somebody asked her why it had such an...