One attendee could be heard joking that Ryan "saves the Republicans."
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The retail giant has a store in the small Alabama town of Oxford.
Brown has been heavily rumored to be on Hillary Clinton's VP shortlist.
The announcement comes after Donna Edward's Senate campaign sought a court order.
Her Senate campaign says some polling locations in the city opened up to an hour late.
“I think she should work with him on the platform,” said Sherrod Brown, a Clinton backer.
The White House was placed on lockdown Tuesday afternoon.
The state's Democratic Party called the comments hateful and discriminatory.
The jet's registration expired at the end of January.
The former candidate predicted the alliance would backfire.