the number one city for public parks, sandford disco.he head of the secret service finds himself in the hot seat after last month's prostitution scandal. >> every modern communication device we have today is owed to this thing, the telegraph. you can celebrate the first telegraph ever sent. details ar >> 168 years ago tomorrow, the first telegram was sent. >> jennifer franciotti tells us about geeks on a train. >> most of us would be lost without our cell phone. we all -- we owe it all to the telegraph. a combination of dots and dashes created by samuel morse would be known as the morse code. it was on may 24 when he first said the telegram. >> that was the first time that two people were able to communicate with one another out of sight of one another. >> there is an exhibit on the telegraph at the piano railroad -- b & o railroad museum. >> geeks on a train is that chance for people in the tech industry to meet each other. >> we will spend a whole day around smart people visiting other cities. it all the start from here. >> it is consi