(2008-01-31) RICHMOND , Va., Jan. 31 /PRNewswire-FirstCall/ — Media General, Inc. (NYSE: MEG) today reported net income for the fourth quarter of 2007 of $9.6 million , or 43 cents per diluted share, compared with $31.6 million , or $1.33 per diluted share, in the fourth quarter of 2006. The 2007…