11.   Police guarded the gate at Aqueduct in a neat line of blue uniforms.

12.   Rows of soldiers guarded the gates of Parliament, refusing entry to people other than students and journalists.

13.   So George - ex-cop and ex-sergeant major, U.S. Army - guards the gate.

14.   Soldiers guard the gate to the Galvan Ranch.

15.   Soldiers still guard the gates, this time searching for terrorists.

16.   The argument is over an encryption technology called Kerberos, after the three-headed dog that guards the gates of Hades.

17.   The gates were guarded and the citizens protected but not oppressively.

18.   These are computer programs that guard the gates into your computer.

19.   To get around the secretaries who guard the gates, headhunters often get creative.

20.   Crowds of police guarded the gates of the leadership compound, and others spread out to watch the crowd.