Sentence:  At this time of crisis in our Nation 's commuter railroads , a <WSD>new</WSD> threat to the continued operations of the New York Central has appeared in the form of the Chesapeake + Ohio Railroad 's proposal for control of the Baltimore + Ohio railroads . 
Meaning of the word marked with <WSD> tags:  not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered