Trump's priorities: here's what the president and Republicans in Congress are likely to locus on.

During his first week in office, President Trump signed an executive order to begin carrying out his most famous campaign pledge: building a wall along the U.S.-Mexico border. He also indefinitely barred Syrian refugees from entering the U.S. and temporarily closed U.S. borders to seven majority-Muslim nations: Iran, Irag, Libya, Somalia, Sudan, Syria, and Yemen. And he signed executive orders undoing parts of President Obama's legacy: He ditched the Trans-Pacific Partnership, a trade deal negotiated between the U.S. and 11 other nations; and he approved the Keystone XL oil pipeline that Obama had blocked due to environmental concerns.

Some of Trump's other priorities in the months ahead:

IMMIGRATION. Beyond building the border wall, which Trump says Mexico will pay for, he plans to step up deportations of undocumented immigrants.

SUPREME COURT. Trump's first priority is filling the vacancy on the Supreme Court. He'll need Senate confirmation for his nominees to all federal courts.

ENDING OBAMACARE. Repealing the healthcare law is a top priority for Trump and Republicans in Congress. But they'll need to figure out what to put in its place.

TRADE DEALS. Trump needs congressional approval to renegotiate NAFTA, a free-trade deal between the U.S., Mexico, and Canada that Trump says is bad for...