Interim Liberal Leader Bob Rae has decided he won't not seek the the permanent position. Here are some of the possible contenders for the top spot.
Justin Trudeau is under intense pressure to run. Elected in 2008 as member of Parliament for the Montreal riding of Papineau, he is the eldest son of late prime minister Pierre Trudeau.Sean Kilpatrick/The Canadian Press
Potential Liberal leadership candidate Dominic LeBlanc has been a member of Parliament for the New Brunswick riding of Beauséjour since the 2000 federal election and serves as the Liberal Party’s foreign affairs critic.Adrian Wyld/The Canadian Press
Potential Liberal leadership candidate Marc Garneau is the member of Parliament for Westmount—Ville-Marie in Montreal. He was also the first Canadian in outer space and took part in three separate flights aboard NASA space shuttles.Adrian Wyld/The Canadian Press
Martha Hall Findlay was the MP for the Toronto riding of Willowdale from 2008 to 2011. She was also a candidate in the 2006 Liberal leadership election to succeed Paul Martin. During her tenure she also served as critic for international trade.Sean Kilpatrick/The Canadian Press
Potential contender David McGuinty has been the member of Parliament for Ottawa South since 2004. He is also the brother of Ontario Premier Dalton McGuinty.Chris Wattie/Reuters
The former member of Parliament for the Toronto riding of Parkdale—High Park, Gerard Kennedy has made previous unsuccessful attempts for leadership of the federal and Ontario Liberal parties. He also served as that province's minister of education from 2004 to 2006.Moe Doiron/The Globe and Mail