Corrected on 2/12/07: An earlier version of this article incorrectly reported the church that Bill Clinton visited. Clinton visited the Temple of Praise. The morning after his wife, Hillary, was routed in three state contests by Sen. Barack Obama in their dead-heat battle for the Democratic nomination, former President Bill Clinton made his case for her before a packed Sunday service at one of the largest black churches in Washington, D.C. But first he offered an apology of sorts for racially tinged comments he made about Obama and his candidacy that have triggered a backlash in the black community and...