Republicans who are evidently not too comfortable with President Donald Trump’s decision to announce large new global tariffs have tried plenty of hints to push him in a different direction. And one of Trump’s most vocal tariff critics on the GOP side, Sen. Rand Paul of Kentucky, tried a relatively novel one on Wednesday. He pointed to electoral peril for the GOP. “Tariffs have also led to political decimation,” Paul told reporters. “When [William] McKinley most famously put tariffs on in 1890, they lost 50 percent of their seats in the next election. When [Sens. Reed Smoot and Willis C....