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https://npr.brightspotcdn.com/dims3/default/strip/false/crop/3663x2060 0 0/resize/1400/quality/100/format/jpeg/?url=http://npr-brightspot.s3.amazonaws.com/8f/9a/dc62c6b64250b2a6b1b59705f8a0/gettyimages-2163324282.jpgFamilies of hostages still being held in Gaza are hopeful Israeli Prime Minister Netanyahu will announce a cease-fire deal that would bring the hostages home during his address to Congress Wednesday.