Educators and policy makers, including Secretary of Education Arne Duncan, have said in recent days that they hope President Obama’s example as a model student could inspire millions of American students, especially blacks, to higher academic performance.

Now researchers have documented what they call an Obama effect, showing that a performance gap between African-Americans and whites on a 20-question test administered before Mr. Obama’s nomination all but disappeared when the exam was administered after his acceptance speech and again after the presidential election.

The inspiring role model that Mr. Obama projected helped blacks overcome anxieties about racial stereotypes that had been shown, in earlier research, to lower the test-taking proficiency of African-Americans, the researchers conclude in a report summarizing their results.

SAM…

Three days after receiving $25 billion in federal bailout funds, Bank of America Corp. hosted a conference call with conservative activists and business officials to organize opposition to the U.S. labor community’s top legislative priority.

Participants on the October 17 call — including at least one representative from another bailout recipient, AIG — were urged to persuade their clients to send “large contributions” to groups working against the Employee Free Choice Act (EFCA), as well as to vulnerable Senate Republicans, who could help block passage of the bill.

Bernie Marcus, the charismatic co-founder of Home Depot, led the call along with Rick Berman, an aggressive EFCA opponent and founder of the Center for Union Facts. Over the course of an hour, the…