— By Joanne Cleaver Madison resident Carol Martell found a new calling after retiring in 2013 from her position as an administrative assistant with the Wisconsin Conference of the United Church of Christ. She joined the AARP advocacy team and speaks up for older residents during state legislative hearings on such topics as caregiving and health care. Even when she isn’t testifying, Martell stands, or sits, with other AARP volunteers, all wearing AARP-logo shirts. “My job is to be present,” said …