OKLAHOMA CITY (AP) — U.S. Rep. Kendra Horn, the lone Democrat in Oklahoma's congressional delegation, announced Tuesday she is prepared to support articles of impeachment against President Donald Trump.

"It is with a heavy heart, but with a clarity of conviction that I have made my decision," Horn said in a statement. "The oath I took to protect and defend the Constitution requires a vote for impeachment.

"Inviting foreign interference in our elections strikes at the heart of our democracy, threatens our national security and is an abuse of power."

Horn spokesman Chris MacKenzie said Horn inte...