Citigroup Inc. (C) Chief Executive Officer Vikram Pandit and Chairman Winfried Bischoff will forgo 2008 bonuses after the bank lost three-quarters of its market value and got a $45 billion U.S. bailout, Pandit said in a memo to employees.

Judging from recent reports that JP Morgan Chase & Co. (JPM) Chief Executive Jamie Dimon and Citigroup Inc. (C) board member Robert W. Rubin will forgo bonuses this year, it appears that at least some U.S. executives are starting to change their habits, as we’ve long suggested they should.