Logan dedicates 911 memorial

75 years ago, 1943: Thousands of Jews could migrate to the Jewish national homeland in Palestine now, and millions more could go there after the war "with sympathetic help of the United Nations," Sen. Robert Wagner, N.Y., asserted.50 years ago, 1968: Who was responsible for the violence during the Democratic National Convention - television? Demonstrators? Police? All of them? A federal grand jury has been ordered to make a sweeping study of the question and indict those it thinks responsible.25 years ago, 1993: Surf's Up will come dangerously close to earning a profit this year. The city has not talled the dollars and cents yet, but more than 25,600 people visited the city's wave-action pool during its 66 days of operation. Because of the high attendance, income and operational costs at the pool will be a close match.10 years ago, 2008: An island of peace amid the bustle of Logan International Airport was dedicated to honor the 147 passengers and crew killed when terrorists flew two planes from here into New York City's World Trade Center. A $4 million glass memorial sits atop a knoll where visitors can look up into a fractured sky.