When the Santos campaign are celebrating, Josh is hugging Donna behind Edie and Barry Goodwin. However, the next shot is of Josh punching his hands in the air, before Donna reaches him.
When the Vinick campaign is announcing that they have called Kansas, Louisiana, Nebraska, Oklahoma, and North & South Dakota, the campaign manager writes a 6 in Nebraska when the man on the phone says Kansas - before he announces Nebraska - and a 5 in Kansas when he says Nebraska. She switched the states; Nebraska is north of Kansas and has 5 electoral votes while Kansas is the southern neighbor of Nebraska and has 6.