President Donald Trump remains a historically divisive figure after one month on the job, despite growing optimism about the economy and support from a cross-section of Americans who either opposed his candidacy or backed it reluctantly, according to a new Wall Street Journal/NBC News poll.

The poll found that 44% of Americans approve of Mr. Trump’s job performance, while 48% disapprove, making him the first president of the post-World War II era with a net negative approval rating in his first gauge of public opinion.

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