10:30 a.m. The city health commissioner will kick off a nicotine replacement giveaway and unveil a multimedia campaign to reduce smoking at 125 Worth Street.
Noon. Washington Heights residents will announce the details of May 1 events protesting police raids and deportations at 181st Street and St. Nicholas Avenue.
Noon. College students will stage a sit-in as part of national campaign calling for restoration of habeas corpus and fair hearings for Guantanamo Bay detainees at the Foley Square federal courthouse.
Noon. The State Bar Association will hold a panel discussion on judicial speech and the First Amendment at the Terrace Club at Rockefeller Center, 25 W. 51st Street.
Noon. Gov. Eliot Spitzer will speak at NARAL Pro-Choice America's New York Champions of Choice Award lunch at the Mandarin Oriental, 80 Columbus Circle.
1 p.m. Senate Democratic Leader Malcolm Smith, Deputy Leader Jeff Klein and Sen. Liz Krueger will hold a press conference on predatory lenders at the State Capital Building in Albany.
2 p.m. The Port Authority board will meet at Port Authority headquarters, 225 Park Avenue South.
3 p.m. A meeting between the daughter of an Arab who saved Jews during the Holocaust and the daughter of a Jewish family saved by the Arab will be held at the Yeshiva University's Stern College for Women, Levy Commons, 215 Lexington Avenue.
4 p.m. The comptroller general of the U.S. Government Accountability Office will deliver an address on federal accountability at the New School, 55 W. 13th Street.
5:30 p.m. The Daily News political columnist Errol Louis will speak at the Henry Hart Rice Urban Policy Forum at the Robert F. Wagner Graduate School of Public Service at New York University, 295 Lafayette Street.
6 p.m. City Council Speaker Christine Quinn will host a forum on "Teaching and Learning in Middle School" at John Jay High School, 237 Seventh Avenue, in Brooklyn.
6 p.m. The Department of Environmental Protection will hold a customer service outreach for water and sewer customers at the Hope Gardens Community Center, 195 Linden Street, in Brooklyn.
6:30 p.m. The American Jewish Historical Society will honor former Secretary of State George Shultz at the Waldorf-Astoria, Park Avenue and 50th Street.
6:30 p.m. Tenants will meet to plan a May 23 affordable housing rally at Borough Hall, Room 213, 120-55 Queens Boulevard in Kew Gardens, Queens.
7 p.m. Representatives of the NYC Sanitation Dept. will address tickets and enforcement along with guest speakers Sen. Marty Golden and Bob Capano, director of Brooklyn Operations for Congressman Vito Fossella, at the Armand Starace Republican Club meeting at the Bay Ridge Manor, 476 76th Street, in Brooklyn.
7 p.m. Al Gore will host the Tribeca Film Festival opening night gala at the BMCC/Tribeca PAC 2, 199 Chambers Street.