Join the Society of Professional Journalists Northern California Chapter for an informal reception for Jonathan Alter, author of the forthcoming book “The Defining Moment: FDR’s First Hundred Days and the Triumph of Hope,” tonight (May 16) at 6:30 at the London Wine Bar, 415 Sansome St. at Sacramento, San Francisco. The event is free, and books will be available for purchase. Go to the SPJ-NorCal site for more information.