Lawrence Krauss illustrates his lecture with examples from contemporary politics, media, science and education at the Center for Inquiry of Southern Arizona monthly meeting from 10 a.m. to noon, Sunday, Feb. 27. Free. Optional, no-host lunch with the speaker follows at P. F. Chang's (1805 East River Road, No. 100). Call 297-9919, or e-mail email@example.com for more information.