According to Fox News, Sen. Marco Rubio told the outlet that the U.S. should not issue or continue visas for foreign-born holders who glorify the killing of political figures, referencing posts about Charlie Kirk, source: Fox News post on X dated Sep 15, 2025. Political-security headlines of this nature have historically coincided with higher policy uncertainty and increased volatility premia in financial markets, as documented by the Economic Policy Uncertainty index and its links to market volatility, source: Baker, Bloom and Davis Economic Policy Uncertainty research. Research also shows that economic policy uncertainty predicts higher volatility in major cryptocurrencies including BTC and ETH, implying more sensitive short-term trading conditions for crypto during U.S. political risk episodes, source: Demir, Gozgor, Lau and Vigne, Finance Research Letters 2018.