Democratic Presidential candidates Barack Obama and Hillary Clinton may still be in a dead heat after Tuesday’s primaries in North Carolina and Indiana, because there are not enough delegates to make a difference. But, presidential hopeful Sen. Hillary Clinton is gaining on Sen. Barack Obama in national appeal, according to recent polls reported on NewsHour.

Also, this week on Bill Moyers Journal, political expert and Journal regular Kathleen Hall Jamieson offers her perspective on 2008’s extraordinary campaign season.

On NOW on PBS, David Brancaccio shares a table with outspoken former San Francisco mayor Willie Brown and former McCain strategist Dan Schnur for an insider’s look at what may happen next.