President Donald Trump said the U.S. will slap tariffs on steel and aluminum imports to protect national security, a major escalation of his hawkish trade agenda that could hit producers from Europe to Asia and spur global retaliation.

Effective retail supply chains require a forceful vision, appropriate investment and commitment of a diverse workforce, according to presenters at a late February industry conference.

Construction could begin this summer on a landmark logistics campus at the Port of Oakland. Developer CenterPoint Properties said today that it awaits only permits to start on the Port’s long-anticipated Seaport Logistics Complex.