Clinton's Chief Strategist Steps Down  —  Mark J. Penn quit Sunday as Sen. Hillary Rodham Clinton's chief strategist, the second shake-up in her campaign's top ranks since the onetime front-runner for the Democratic presidential nomination began trailing Sen. Barack Obama (D-Ill.).

Hillary's chief strategist is ousted  —  Democratic presidential hopeful, Sen. Hillary Rodham Clinton, D-N.Y., cups her ear as reporters ask her about Mark Penn, the pollster and senior strategist for Clinton's presidential bid who left the campaign Sunday, at the airport in Albuquerque, N.M., Sunday, April 6, 2008.

Clinton strategist left mark, message  —  Mark Penn's exit from his role as Hillary Rodham Clinton's chief strategist likely will portend no dramatic shift in message for the campaign in coming weeks but will bring satisfaction to scores of Clinton loyalists who have wanted the controversial image-meister sacked for months.

The Shape of the Race to Come  —  I've spent a fair amount of time the last couple of weeks with conservatives of all ages and leanings.  Call it my very own listening tour.  —  It began with a series of conversations with a group of Weekly Standard subscribers.

If the system made sense, Clinton would be far ahead  —  Under a winner-take-all primary system, Hillary Clinton would have a wide lead over Barack Obama — and enough delegates to clinch the Democratic presidential nomination by June.  —  Hillary Clinton celebrates with supporters …