By Justin Sink
But the Missouri senator told MSNBC Wednesday that she was "absolutely not" trying to move away from the president.
"I've asked the president to come campaign in Missouri," she said.
The Republican National Convention suggested in an email Tuesday that Democrats were seeking cover by skipping the convention.
"After being a top Obama surrogate, a primetime speaker at the 2008 Dem National Convention, and doing a 2008 video saying Missouri needs to elect Barack, Senator Claire McCaskillClaire McCaskillBill would target retaliation against military sexual assault victims Senate Dem takes on drugmaker: ‘It’s time to slaughter some hogs’ Week ahead: Drug pricing back in focus MORE announced today she will not attend this year’s convention proving even Barack ObamaBarack ObamaArmstrong Williams: Obama 'should get on his knees and pray' Obama makes move on 'smart guns' Movie trailer gives peek at Obamas' first date MORE’s best friends don’t want to be seen with him as his party nominates him to run for a second term," RNC spokeswoman Kirsten Kukowski said in an emailed statement.
But McCaskill called the accusation "just stupid."
"Everyone's trying to make this a big deal and narrative. It's just stupid," she told MSNBC.