US economy cools in fourth quarter, falling below Trump goal

The world's largest economy slowed in the final quarter of 2017, bringing US GDP expansion for the year below President Donald Trump's ambitious three percent target, according to data released Friday.The White House believes the massive tax cuts passed last month will energize the economy and offset the $1.5 trillion cost of the tax overhaul, but economists say this is not likely and any growth bump will be modest.After two quarters of expansion above three percent, GDP slowed to 2.6 percent in