The Weekly Grind: Skateboarding takes over Detroit and surfing takes over Brazil

Crowds and big events combine this week on “The Weekly Grind” to start the pre-summer action sizzling.

The world’s best skateboarders take over Detroit this weekend when they congregate in Hart Plaza for the Red Bull Hart Lines event. And the most attended surf contest year-in, year-out goes down once again in Rio de Janeiro, Brazil with the running of the World Surf League’s Oi Rio Pro.

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