Q: Who are the Social Security trustees? Who appoints them and what powers do they have? -- Nathaniel Paris, Atlanta

A: The Board of Trustees is comprised of six members. Four serve by virtue of their positions with the federal government: Timothy F. Geithner, Secretary of the Treasury and managing trustee; Michael J. Astrue, Commissioner of Social Security; Kathleen Sebelius, Secretary of Health and Human Services; and Hilda L. Solis, Secretary of Labor, a spokesperson with the Social Security Administration told Q&A on the News in an email. The two public trustees -- Charles P. Blahous III and Robert D. Reischauer -- are appointed by the President and confirmed by the Senate. Blahous is a research fellow at Stanford's Hoover Institution and Reischauer is an economist and president of the Urban Institute, a Washington, D.C.-based nonpartisan social and economic policy research institute. The Board of Trustees was established by the Social Security Act to oversee the financial operations of the Old-Age and Survivors Insurance (OASI) and Disability Insurance (DI) trust funds.

Q: When the new international terminal at Hartsfield-Jackson Atlanta International Airport is completed, will MARTA service that terminal? And how will passengers travel from the present terminal to the new terminal when changing planes? -- Don Nanney, Norcross

A: MARTA will remain accessible only from the main terminal. A free shuttle bus will connect the Maynard H. Jackson Jr. International Terminal, the rental car center, the domestic terminal and MARTA.

Andy Johnston for the AJC. Staff writer Kelly Yamanouchi contributed.

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