Next star Democrat to stump for Murphy : Barack Obama . 
TRENTON -- Kerry , Biden , Gore , and now Obama . 
Former President Barack Obama will travel to Newark on Thursday to stump for Democratic nominee for New Jersey governor Phil Murphy -- his first campaign appearance since leaving office in January . 
Obama 's appearance will come a day after Murphy and Guadagno face off in their second and final televised debate . 
Obama will join Murphy at the Robert Treat Hotel in the afternoon for what Murphy 's campaign is billing a "canvass kickoff with grassroots supporters ." 
John Kerry , who served as U.S. secretary of state under Obama , appeared with Murphy at a Clifton VFW last Tuesday . 
Joe Biden , who was Obama 's vice president , spoke at a rally in Edison last Thursday . 
After Obama was elected president in 2008 , he named Murphy America 's ambassador to Germany in 2009 -- a position Murphy held until 2013 .
TRENTON -- Kerry , Biden , Gore , and now [TGT] . 
[TGT] will travel to Newark on Thursday to stump for Democratic nominee for New Jersey governor Phil Murphy -- [TGT] first campaign appearance since leaving office in January . 
[TGT] 's appearance will come a day after Murphy and Guadagno face off in their second and final televised debate . 
[TGT] will join Murphy at the Robert Treat Hotel in the afternoon for what Murphy 's campaign is billing a "canvass kickoff with grassroots supporters ." 
John Kerry , who served as U.S. secretary of state under [TGT] , appeared with Murphy at a Clifton VFW last Tuesday . 
Joe Biden , who was [TGT] 's vice president , spoke at a rally in Edison last Thursday . 
After [TGT] was elected president in 2008 , he named Murphy America 's ambassador to Germany in 2009 -- a position Murphy held until 2013 .