FILE - In this Tuesday May 11, 2010 file photo, Britain's Prime Minister Gordon Brown, accompanied by his wife Sarah, announces his resignation outside his official residence at No. 10 Downing Street in central London. Rivals and allies are paying tribute to former British Prime Minister Gordon Brown, who plans to step down from Parliament at a national election in May. Brown is due to make a speech Monday Dec. 1, 2014 in his home town of Kirkcaldy, Scotland. British media say he will announce he is leaving Parliament after 32 years. (AP Photo/Lefteris Pitarakis, File)