Roll Call reports on the passing of campaign finance activist Granny D.

Haddock was perhaps best known for walking across the country, at the age of 90, in support of the McCain-Feingold campaign finance reform bill in 2000. She became a familiar presence on Capitol Hill during the push for that legislation.

Haddock continued to make public appearances and to rally for issues such as campaign finance reform until she was overtaken by chronic respiratory problems several days ago, Seacoast Online reported.