It might make sense, though, as part of a working missile defense system, the authors argue.

Without a missile defense system, the president is forced to back down.

Both men agree for now that Washington should press ahead with research and testing of a missile defense system.

The exercise, the third and most demanding in a series of 19 tests for a national missile defense system, is to last 30 minutes.

His intention is to build a national missile defense system.

Clearly, reasonable people will disagree about which missile defense systems make sense.

"And soon people are obsessed next with missile defense systems."

He would approach carefully, with every missile defense system on-line.

The Clinton administration at first denied the need for a national missile defense system.

A missile defense system has long been a article of faith among Republican conservatives.

It might make sense, though, as part of a working missile defense system, the authors argue.

Without a missile defense system, the president is forced to back down.

Both men agree for now that Washington should press ahead with research and testing of a missile defense system.

The exercise, the third and most demanding in a series of 19 tests for a national missile defense system, is to last 30 minutes.

His intention is to build a national missile defense system.

Clearly, reasonable people will disagree about which missile defense systems make sense.

"And soon people are obsessed next with missile defense systems."

He would approach carefully, with every missile defense system on-line.

The Clinton administration at first denied the need for a national missile defense system.

A missile defense system has long been a article of faith among Republican conservatives.