NEW YORK - At closely watched abortion trials across the country Tuesday, one doctor said he will risk breaking a new law banning some abortions and another said he fears he will be prosecuted for doing a form of abortion "I consider safer." At trials in New York, San Francisco and Lincoln, Neb., lawyers for abortion rights advocates are putting doctors on the witness stand to support their claim that the law, signed by President Bush in November, is unconstitutional. The doctors dispute many of the conclusions Congress reported reaching during eight years of research about a form of abortion...