reassure americans. we also saw homeland security secretary jay johnson actually hop on an amtrak train from d.c. to new jersey. both of them clearly trying to send the message to americans that it's okay to take mass transit and get on with your lives. but despite that message what travelers are seeing is law enforcement out at full force at trains, bus stations, airports. we're seeing heavy weaponry. bomb sniff dogs. we know the tsa has been conducting these random checks for explosives at airports. we also know on the law enforcement side the fbi says it is paying very close attention to dozens of people who they think pose the highest threat of attempting to carry out some sort of copycat attack in the united states. so although we're hearing this message of, you know, live your life and, clearly, from the more than 3 million people who showed up, they followed those instructions. we are still seeing a reaction, which is an increased police presence. a lot of work being done behind