Complex sentence: In the three months prior to 9/11, the "New York Times" had expressed its support for fully financing the Global Fund in four separate editorials; it wouldn't be until three months after 9/11 that it would again editorialize in support of the Global Fund.
Split into simpler sentences: In the three months prior to 9/11, the New York Times had expressed its support for fully financing the Global Fund in four separate editorials. It wouldn't be until three months after 9/11 that the New York Times would again editorialize in support of the Global Fund.