The Advertiser has opened its archives to see what was making the news this week 25, 50 and 100 years ago. 25 years ago – January 29, 1999 ABOVE: More than 100 local pig farmers and their families joined a march on Downing Street to protest against the collapse of their industry. A specially hired train, dubbed the Piggy Express, from Northgate Station took the area’s farmers to London. UK pig farmers are angry that their continental counterparts are not subject to the same welfare laws. They are also disgusted by what they call supermarket profit-driven greed in importing cheaper foreign met …