A rare appearance on the campaign trail by President Obama on Sunday night was marred by a steady stream of crowd members leaving early and even a yelling heckler. The president had shown up at the Democratic rally in Upper Marlboro, Maryland, near Washington, to support Lieutenant Governor Anthony Brown, who is running for governor. With Obama's approval levels hovering around record lows, many candidates from his party have been wary of appearing with the president during their election races because of his sagging popularity. Scroll down for video A rare appearance on the campaign trail by President Obama in Maryland on Sunday night to support Lieutenant Governor Anthony Brown, right, was marred by a stream of crowd members leaving soon after the president started to speak and a yelling heckler
@highlight
The president showed up at a rally in Upper Marlboro, Maryland, on Sunday to support Anthony Brown who is running for governor
@highlight
A steady stream of people started to walk out soon after he started to speak about issues including the affordable health care act
@highlight
A pro-immigration-reform protester holding a handwritten sign reading '#Not1More' also heckled Obama
@highlight
The president later appeared in his hometown of Chicago to support Illinois Governor Pat Quinn who is running for re-election
@highlight
Obama claimed the Republicans were living in the 1950s and belong 'in a Mad Men episode'
The president told voters that @placeholder mean well, but ‘just have bad ideas.’