April 5 marked TikTok’s latest deadline for finding a new owner or ceasing operations in the United States—until today. But regardless of whether the Trump administration ultimately bans TikTok, brokers a deal to find a new owner for the app, or continues to punt on the issue, U.S. officials must learn from TikTok’s protracted survival campaign—and protect Americans from the risky, foreign-owned apps of the future.Several possibilities awaited TikTok this week. Trump coul