This month, Arizona turns 100. KJZZ is marking the centennial each week in February with stories of our state’s history, people and places. We're calling it the Centennial Minute. This morning, authors and Arizona residents Fred DuVal and Lisa Schnebly Heidinger tell us about the early days of the state's most iconic natural landmark. The Grand Canyon.

The right to carry a concealed weapon on a college campus is a step closer to becoming law.  The Senate Judiciary Committee approved a measure that allows individuals with a concealed weapon permit to carry their gun on public college campuses.  From Phoenix, KJZZ’s Paul Atkinson reports.

A judge has ruled in favor of teachers and others in the Arizona State Retirement System who were forced to pay a larger share of their pension plans. 

Members of the Gila River Indian Community will vote Tuesday on whether to allow a new freeway to be built on tribal land.  The extension of Loop 202 around South Mountain was proposed more than 25 years ago.  But funding shortfalls and differences over its route have delayed the long-awaited freeway.

President Obama is putting more pressure on Congress to consider his home-mortgage refinancing proposal. In Arizona, housing experts are mixed on whether it would actually work.

ASU professor and biographer Melissa Pritchard talks about philanthropist Virginia G. Piper and the impact she had on Arizona.

Communications director for the Arizona Republican Party Shane Wikfors and political strategist Nathan Sproul of the Lincoln Consulting Group talk about the impact of the presidential campaign on Arizona and vice versa.