Longtime Dallas congresswoman Eddie Bernice Johnson has awarded thousands of dollars in college scholarships to four relatives and a top aide's two children since 2005, using foundation funds set aside for black lawmakers' causes. The recipients were ineligible under anti-nepotism rules of the Congressional Black Caucus Foundation, which provided the money. And all of the awards violated a foundation requirement that scholarship winners live or study in a caucus member's district. Johnson, a Democrat, denied any favoritism when asked about the scholarships last week. Two days later, she acknowledged in a statement released by her office that she had violated...