A BLACK WRITER OFFERS PRESIDENT BARACK OBAMA SOME SATIRICAL INSIGHTS INTO THE REALITY OF BEING THE 1 ST BLACK PRESIDENT IN A NATION THAT HAS YET TO COMPLETELY DIVORCE ITSELF FROM A RACIST PAST. HIS OPEN LETTER HIGHLIGHTS OBAMA S CRITICS... WORDS OF CAUTION THE WRITER SENSES THE PRESIDENT MIGHT NOT HAVE HAD FIRST-HAND LIFE EXPERIENCES TO REFLECT ON. WHAT HE WANTS IS FOR OBAMA TO SUCCEED; NOT ALLOW CONSERVATIVE ELEMENTS TO DETRACT HIM FROM FACING THE...