Trump’s polls decline near 100-day mark, raising tax-plan stakes

Voter discontent with President Donald Trump’s economic stewardship is sinking his popularity as he approaches the symbolic 100-day mark of his second term, ratcheting up pressure on congressional Republicans to pass his tax plan. 

A flurry of polls in recent days from NBC,  CNN, New York Times/Siena, ABC News and Fox News, among others, each reveal the same theme: Voters perceive Trump to be falling short on his core campaign promise to strengthen the economy. The president’s helter-skelter...