It also came in on the short side of Juniper's guidance of $921 million to $971 million for the quarter.Revenue was also down 2.5% from the third quarter.Earnings, excluding charges, expenses and other items, were in line with Wall Street estimates: $169 million, or $0.32 per diluted share, up 19% from a year ago.For the full year, Juniper posted revenue of $3.57 billion, a 26% hike from 2007 resu