05/02/13 - Thursday's Topical Currents begins with a look at the importance and future of South Florida ports and international airports. The Port of Miami’s dredging project will allow it to receive larger ships in conjunction with the Panama Canal’s expansion. And more. Linda Gassenheimer’s annual “Cinco de Mayo” program features PBS food host Pati Jinich. Born and raised in Mexico City, she’s renowned for her “Pati’s Mexican Table” program. That’s Topical Currents Thursday at 1pm on WLRN-HD1 rebroadcast at 7pm on WLRN-HD2 and audio on-demand after the live program.