Democratic candidate for governor Mike Michaud holds hands and celebrates with first lady Michelle Obama as they address a crowd of about 1,500 people Friday at the Collins Center for the Arts at the University of Maine.

First lady Michelle Obama speaks at Friday's campaign rally for Democrat Mike Michaud at the University of Maine.

A child holds an "I like Mike" campaign sign during Friday's rally in Orono with first lady Michelle Obama.

First lady Michelle Obama addresses a crowd of about 1,500 people Friday at the Collins Center for the Arts at the University of Maine during a campaign event for the Democratic candidate for governor, Mike Michaud.

First lady Michelle Obama speaks to a crowd of about 1,500 people Friday at the Collins Center for the Arts at the University of Maine during a campaign event for Maine's Democratic candidate for governor, Mike Michaud.

Michelle Obama speaks Friday at the Collins Center for the Arts at the University of Maine during a campaign rally for Democratic candidate for governor Mike Michaud.

Michelle Obama poses for a "selfie" with a group of girls after speaking to a crowd of about 1,500 people Friday at the University of Maine.

Democratic gubernatorial candidate Mike Michaud gives a thumbs-up to the crowd of about 1,500 people Friday at the University of Maine, where first lady Michelle Obama stumped for Michaud.

Mike Michaud addresses the crowd of about 1,500 people Friday at the Collins Center for the Arts at the University of Maine.

Emily Cain, Democratic candidate for Congress in the 2nd Congressional District, speaks at the Collins Center for the Arts at the University of Maine in Orono before First Lady Michelle Obama was scheduled to speak in support of the Democratic candidate for governor, U.S. Rep. Mike Michaud, on Friday,

Police set up barricades as people wait in line outside the Collins Center for the Arts at the University of Maine in Orono to see First Lady Michelle Obama speak in support of Democratic candidate for governor, U.S. Rep. Mike Michaud, on Friday.

Victoria Mason, a senior at the University of Maine, sings and plays the ukulele as she waits in line outside the Collins Center for the Arts at the University of Maine in Orono to see first lady Michelle Obama speak in support of the Democratic candidate for governor, U.S. Rep. Mike Michaud, on Friday.

People wait in line outside the Collins Center for the Arts at the University of Maine in Orono to see First Lady Michelle Obama speak in support of Democratic candidate for governor, U.S. Rep. Mike Michaud, on Friday.