WITH THE THIRD INFANTRY DIVISION, Northwestern Kuwait, March 19 As more than 20,000 soldiers attached to the Third Infantry Division moved close to the Iraqi border within sight of it, in some cases 15 Iraqi soldiers guarding the border surrendered and crossed over to Kuwait this evening, officers here said. They are believed to be the first Iraqis to have surrendered, something the American Air Force has been actively encouraging by dropping more than 1 million leaflets in anticipation of a ground invasion. The soldiers not technically prisoners of war, since the war has not yet started are in the...