U.S. Open Friday: The USGA tries to crack down on poor behavior

0:00: It's time for the USGA to take off the kid gloves at Shinnecock

05:30: Wyndham Clark extends his lead, but can he maintain it?

09:00: What should we make of the bad-boy narrative?

17:00: Joaquin Niemann slapped with a two-shot penalty ... for throwing a club?

22:30: Quick hits on some of the contenders and early exits

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