When Lucille Richmond cast her ballot for Barack Obama three years ago, she, like many African-Americans, embraced the historic opportunity to help elect the nation’s first black president.

But waiting in line at the county employment security commission last week, the 52-year-old grandmother - who lost two food preparation jobs and is searching for full-time work - can’t muster the will to support Obama for a second term.

“I don’t see what he’s done,’’ said Richmond, a Democrat. “I’m not even going to waste my time and vote.’’

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Obama’s defenders say there is a disconnect between the president’s genuine efforts on behalf of urban and disadvantaged populations and perceptions in the community. The Joint Center for Political and Economic Studies, a black think tank in Washington, said the president’s initiatives such as health care reform, the stimulus package that kept many public workers in their jobs, the extension of unemployment benefits, and grants to historically black colleges as well as increase in Pell grants benefited many African-Americans.

“If I were to criticize the Obama administration, it has a very good record with regards to African-Americans but it does not boast about it,’’ said David Bositis, senior political analyst.

Read more at The Boston Globe.