Will Trump trade deal with UK ease economic jitters and boost president's poll numbers?

President Donald Trump is touting that Thursday's announcement of a trade deal with the United Kingdom – which is the first since the president a month ago announced massive tariffs on nations across the globe – will be "the first of many."

Pushing back against descriptions that the agreement hammered out between the two historic allies was just an initial deal with much more to be negotiated, Trump argued "this is a very big deal…this is a maxed-out deal that we're going to make bigger."

The financial sector appeared to embrace the deal, with the stock markets rising on news of the agreement. However, for a president aiming to pass a sweeping agenda through Congress, it is the political reaction that may be of upmost importance.

Trump's approval ratings have been sliding since he...