President Donald Trump is blaming sabotage on the failing $14.65 million renovation to the Lincoln Memorial Reflecting Pool, posting on Truth Social that vandals cut a 250-foot gash into the pool's new blue liner and poured corrosive chemicals into the water. But one man says he was arrested and detained for five hours after just touching the pool. On Friday (June 19), Trump wrote that troublemakers had "done everything possible to hurt the inside surface that was just installed.” He claimed the algae fouling the water was "75% gone" and pledged repairs "early next week." By Saturday, Trump escalated his account, posting that U.S. Park Police had arrested "multiple individuals" and alleging they had driven a blade through nearly a quarter-mile of liner and dumped destructive chemicals into the pool.…