Tonight on Special Report with Brit Hume:

Further wrangling is expected over the Homeland Security bill in the Senate, with leading Democrats and at least one prominent Republican leading the charge to strip controversial provisions from the massive piece of legislation.

Plus:

• U.N. arms inspectors get down to work after a four-year absence as differences emerge between the United Nations and Washington over what constitutes Iraqi violations of the U.N. resolution that authorized the inspection mission.

• President Bush leaves Washington for Prague, the Czech Republic's capital, for a summit of leaders of the 19 NATO nations. He will also visit Russia and prospective NATO members Lithuania and Romania on the five-day trip.

• Two explosions resound outside the headquarters for the U.S. Army Japan, and a projectile launcher is found near the site.

Details on these stories and more on Special Report with Brit Hume.
— Guests and topics are subject to change