Rabbenu Yonah's Four Kitot 7: Rounding Out R. Yonah's Liars
Rabbenu Yonah's Four Kitot 7: Rounding Out R. Yonah's Liars, by Rav Gidon Rothstein Liars with no specific profit, what they do wrong, with some exceptions, starting a discussion of where truth is necessary and where it can be bent.