A Clinton win in Pennsylvania and a long fight ahead Democratic presidential hopeful Hillary Clinton won Pennsylvania with enough of a margin to keep fighing for the party's nomination. Midday explores what the Pennsylvania results mean for the next few weeks and more of the 2008 presidential campaign.11:00 a.m.
Reporting uphill: The challenges of covering national security Award-winning journalist Tom Gjelten has been covering international and security issues for National Public Radio for years. During a recent speech at Macalester College, Gjelten discussed the challenges of fact-finding when matters of security are involved.12:00 p.m.