Answer:
In Paris but not in France the thinnest of its siblings.
A dagger thrust at my own heart dictates the way I'm swayed. Left I stand and right I yield to the twisting of the blade. What am I?
What is black and white and red all over?
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers magazines and journals.
I run around the streets all day. Under the bed or by the door I sit at night never alone. my tongue hangs out waiting to be fed during the day.
Give it food and it will live, give it water and it will die.