Trump praised for more measured speech, but Congress wants details

Washington : Donald Trump's muted prime-time address to Congress got positive reviews on Wednesday, but numerous questions remained about the details and costs of his ambitious agenda.

Americans reacted warmly to Trump's lengthy speech, in which he ditched the most bellicose of his rhetoric in favor of a call for national unity and a more presidential timber.

A CBS News/YouGov poll showed that 76 percent of those who watched the speech approved of what they saw. 

Wall Street also voiced its appreciation, with the Dow topping 21,000 for the first time.

It was a substantial and much needed boost for the 70-year-old Republican president, whose approval rating is at a historic low for presidents after a month in office, and his embattled White House.

Trump -- ever-aware of his image and popularity -- fired a triumphant "THANK YOU!" message to his 25 million Twitter followers Wednesday morning.

To keep the momentum, the White House postponed the unveiling of a controversial new ban on travelers from mostly Muslim countries, which would have dominated news coverage.

It also pared back Trump's public remarks and held its daily press briefing off-camera.

The speech -- staunchly nationalist, but delivered in a more measured tone -- may help soothe a deeply divided country.

In the nearly six weeks since Trump took office, political polarization in America has reached fever pitch.

Trump's supporters have flung themselves into the cause, hoping the election of an outsider will shake up the elites and insider politics in Washington.

But among opponents, there is still a sense of disbelief that a billionaire with what they see as authoritarian tendencies and no political experience is in charge of the world's pre-eminent superpower.

According to Gallup, there has been a steady increase since November's election in the number of Americans experiencing worry on any given day.