The Central Square Library will close Oct. 1 for three months, CentralSquare.com reports. . . . The same site also reports Central Square Theatre will hold a tribute Monday to honor Mimi Huntington . . . Cambridge Day says that a special counsel will examine oddities in spending at the Redevelopment Authority. . . . Does your water taste different? Some the water in Cambridge is coming from the MWRA these days, the city says.It's just temporary. . . . Looking for those MCAS scores from Cambridge schools? Here they are. . . . The latest city of Cambridge campaign finance reports are in, and the Cambridge Civil Journal Forum has the totals. . . . After an MIT freshman fell through a roof skylight, the university is placing restrictions on rooftop access, the Tech reports. . . . Now that Larry Summers is out of the running for Federal Reserve chair, some colleagues at Harvard express dismay at the process, says the Harvard Crimson. . . . Here's a list of upcoming candidate forums for the Fifth Congressional District race. The next one is Monday, Sept. 23 in Lexington. . . . Have something to hide? The city of Cambridge will hold a "Shred Day'' on Saturday from 1-5 behind City Hall to get rid of old documents. "Documents will be destroyed on the spot in a highly advanced technical mobile shredding truck,'' the city of Cambridge says.