Today’s moderator: Tom Sabulis

A 20-year veteran of the AJC, Tom Sabulis has covered news, politics and the arts during a career that has taken him to newspapers across the country. Since 2008, he has coordinated many of the newspaper’s pro/con debates and first-person guest columns.

Today, we hear from a major Atlanta Streetcar sponsor, who's feeling good about the capital investment the project is bringing downtown — even before the vehicle does its test runs. An executive from Siemens, the company building the streetcars, writes how rail is reinventing U.S. city centers. We also reprise comments from critics who have weighed in  on what they say is the streetcars' ineffective mobility and outlandish expense.

Today's columnists: