WASHINGTON – U.S. Sen. Susan Collins of Maine will discuss U.S. ports security this Sunday morning on the ABC News program “This Week with George Stephanopoulos.”

Several lawmakers, including Collins, who chairs the Senate Homeland Security Committee, have questioned the Bush administration’s approval of a Dubai-based company’s takeover of some U.S. port operations.

The show will air at 9 a.m. Sunday on ABC affiliate station WMTW in Portland and 10:30 a.m. on WVII in Bangor.