Trump warns of immigration peril, touts economy in address

House Minority Leader Nancy Pelosi of Calif., center seated, with other House members wearing black in support the #metoo and #timesup movement, pose for a group photo ahead of tonight's State of the Union address on Capitol Hill in Washington, Tuesday, Jan. 30, 2018. (AP Photo/Pablo Martinez Monsivais)
President Donald Trump pauses as he gives his first State of the Union address in the House chamber of the U.S. Capitol to a joint session of Congress Tuesday, Jan. 30, 2018 in Washington, as Vice President Mike Pence and House Speaker Paul Ryan applaud. (Win McNamee/Pool via AP)
President Donald Trump delivers his State of the Union address to a joint session of Congress on Capitol Hill in Washington, Tuesday, Jan. 30, 2018. (AP Photo/Pablo Martinez Monsivais)
President Donald Trump shakes hands as he leaves after delivering his first State of the Union address in the House chamber of the U.S. Capitol to a joint session of Congress Tuesday, Jan. 30, 2018 in Washington. (Win McNamee/Pool via AP)
President Donald Trump claps during the State of the Union address in the House chamber of the U.S. Capitol to a joint session of Congress Tuesday, Jan. 30, 2018 in Washington. (Win McNamee/Pool via AP)

WASHINGTON — Addressing a deeply divided nation, President Donald Trump summoned the country to a “new American moment” of unity in his first State of the Union address, challenging Congress to make good on long-standing promises to fix a fractured immigration system and warning darkly of evil forces seeking to undermine America’s way of life.