WASHINGTON (AP) — Congress lopsidedly approved a border security compromise Thursday that would avert a second painful government shutdown, but a new confrontation was ignited — this time over President Donald Trump's plan to bypass lawmakers and declare a national emergency to siphon billions from other federal coffers for his wall on the Mexican boundary.

Money in the bill for border barriers, about $1.4 billion, is far below the $5.7 billion Trump insisted he needed and would finance just a quarter of the 200-plus miles he wanted. The White House said he'd sign the legislation but act unila...