Sara Lively, 24, left and Michelle Coler, 21, test their drinks for date rape drugs at the Britannia Arms pub in San Jose, Calif., Sept. 19, 2002. Colleges around the country are buying millions of coasters that test for "date-rape" drugs in drinks. But law enforcement experts say the coasters are ineffective and could lead to more assaults by creating a false sense of security. The manufacturers _ who also make fake snow and party foam _ say the 40-cent paper coasters are 95 percent accurate. (AP Photo/John Todd)