'Willing to take pain': Trump insiders start to fear president has no tariff 'off-ramp'

President Donald Trump remains entrenched in his belief that tariffs will boost the U.S. economy, despite last week's historic sell-off — but MSNBC's Jonathan Lemire said his allies are wondering if there's an off-ramp.

Stock futures jumped by 2 percent Tuesday after another volatile day on Wall Street, which witnessed the highest trading volume in nearly two decades. Lemire reported on "Morning Joe" that Republicans are starting to freak out about the sweeping tariffs against nearly 100...