HEMPSTEAD - Black constituents played an integral role in sending President Barack Obama to the White House, but some say enthusiasm has faded after four years.

Dr. Calvin Butts, president of SUNY Old Westbury, says mobilizing the African-American vote may be a challenge this time around.

Butts claims there are some who believe the president hasn't focused on the African-American community. "He's focused on health care, he's focused on gay rights, but he hasn't focused on the hopes and aspirations of people of color," adds Butts.

But at the Democratic call center in Valley Stream, enthusiasm is running high. Volunteers will be bombarding voters will calls, email and fliers over the next month.

In 2008, Obama captured 95 percent of the black vote and 2 million more African-Americans voted than in the previous election.

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