Most of them are rather funny, and while it does say that he's... sloppy a a politician, it's more interesting for how much the media gives cover for him.
Read the list and imagine if McCain had said such gaffs.
They'd call him senile.
In addition to his gaffs about the language spoken in Afghanistan, the number of US states, and the location of states that border the one he represents...
Last March, the Chicago Tribune reported this little-noticed nugget about a fake autobiographical detail in Obama’s Dreams from My Father: “Then, there’s the copy of Life magazine that Obama presents as his racial awakening at age 9. In it, he wrote, was an article and two accompanying photographs of an African-American man physically and mentally scarred by his efforts to lighten his skin. In fact, the Life article and the photographs don’t exist, say the magazine’s own historians.”
And in perhaps the most seriously troubling set of gaffes of them all, Obama told a Portland crowd over the weekend that Iran doesn’t “pose a serious threat to us” — cluelessly arguing that “tiny countries” with small defense budgets can’t do us harm — and then promptly flip-flopped the next day, claiming, “I’ve made it clear for years that the threat from Iran is grave.”