not yet
No
Go to the Greyhound station. Buy a ticket. Get on the bus. Alternatively, go to Megabus.
Yes, Megabus offers routes to Chicago.
Yes it definitely does and that to at a low price of $1
Yes, there is a Megabus service available to O'Hare Airport.
Yes.
The next Megabus departure from Chicago is scheduled for tomorrow at 9:00 AM.
The Megabus schedule will be released in the near future, but the exact date has not been announced yet.
"Go, Mississippi" is the official state song for Mississippi.
DC? Megabus.
Yes, you can choose a specific seat on a Megabus when making a reservation, subject to availability.
It is not currently possible to make this trip via megabus because: 1) Bronx does not have a megabus stop. (Manhattan does) 2) Chicago and New York are, as of 2011, considered separate hubs that have no possible connections made via any megabus line or combination of routes.