...Rev. Jeremiah Wright Jr. compared presidential candidate Barack Obama's impoverished childhood to Jesus Christ's. "Barack knows what it means to be a black man living in a country and a culture that is controlled by rich white people... Hillary... can never know that." Mr. Wright wasn't at a convention or a campaign stop. He was standing at the pulpit... Mr. Wright... has previously been criticized for comments deriding President George Bush and lauding Louis Farrakhan... Now Mr. Wright's ...repeated enthusiastic promotion ...may be running afoul of federal tax law, which says churches ...endanger their tax-exempt status by endorsing or opposing...