Try again using just a one-day stay. There's a glitch in their rate structure which sometimes crops up where the computer can't figure out how to tie together two cheaper rates and therefore goes and fetches the rack rate.
But if there's an event at Harvard, forget about it. I stay there 8-10x/year, but there's usually once or twice/year where they are sold out.
The "junior suite" isn't really that. It's a good oversized room which the property calls an "Executive King."