THE FOLKS AT THE PORT OF BALTIMORE HAVE BEEN TALKING ABOUT THE IDEA OF DOUBLE STACKED TRAINS FOR NEARLY HALF A CENTURY, BUT FINALLY IT BECAME A REALITY IN OCTOBER. CRANES LOAD CONTAINERS ONTO RAIL ...

(CNN) — Gaps in fencing along the US-Mexico border can be a dramatic — and sometimes puzzling — sight. Miles of tall steel bollards end abruptly, giving way to open space or much smaller barriers that ...