Skip to Content Skip to Content

Mail-in ballots, foreign interference, and the 2020 election

In a Q&A, Kathleen Hall Jamieson discusses what we learned from the election four years ago plus how journalists can responsibly share hacked content and what role the public at large can play.
Person sitting at a large desk that includes a phone and some other items. Picture frames line a desk in the background.
Kathleen Hall Jamieson is the Elizabeth Ware Packard Professor of Communication at the University of Pennsylvania’s Annenberg School for Communication, the Walter and Leonore Annenberg Director of the Annenberg Public Policy Center, and program director of the Annenberg Retreat at Sunnylands.

Recent Articles

  • More Articles
  • Exposure to air pollution worsens Alzheimer’s disease
    Emissions from a power plant.

    Image: Pencho Chukov via Getty Images

    Exposure to air pollution worsens Alzheimer’s disease

    New research from Penn Medicine finds living in areas with high concentration of air pollution is associated with increased buildup of amyloid and tau proteins in the brains of Alzheimer’s patients, accelerating cognitive decline.

    Sep 9, 2025

    What stiffening lung tissue reveals about the earliest stages of fibrosis
    Donia Ahmed prepares tissue for imaging.

    Image: Courtesy of Penn Engineering Today

    What stiffening lung tissue reveals about the earliest stages of fibrosis

    A Penn Engineering team has targeted the lung’s extracellular matrix to better understand early fibrosis by triggering the formation of special chemical bonds that increase tissue stiffness in specific locations, mimicking the first physical changes that may lead to lung fibrosis.

    Sep 12, 2025