IAMI - The Celtics met up with two NBA wise men last night: Hall of Famers Bob Cousy and Jack Ramsay.

As father-in-law to Jim O'Brien, Ramsay talks regularly with the Boston coach, offering insights and observations.

''I think the Celtics are like a lot of other NBA teams, where it all has to be done right every night,'' said Ramsay. ''There's no margin of error