Meghan graduated from Northwestern University in 2003 with a double major in Theater and International Relations. That is a fact which has been backed up by numerous sources.
On Meghan being political, my fear, however, is that Meghan, like many Americans, may have the illusion that the British Royal Family can actually influence public policy and, accordingly, may be tempted to see her marriage to Harry as a way to do so. Although the monarch and, to a lesser extent, the heir to the Crown may still have a marginal (albeit declining ) political influence (mostly due to their direct line of communication with the government) , Meghan, as the wife of the 5th in line to the throne, will have no such power. Again, if she expects to have any political influence then, she may be indeed on her way to a disappointing (but not necessarily "rough") awakening.
If Meghan picks up a newspaper at all, she'll have seen the coverage of Charles' "black spider memos". It was covered in WaPo, NYT, the Toronto Star, The Globe and Mail, and the National Post. So the basic premise -- that it was a problem for the PoW to try to influence policy -- has been well covered in North America. Unless she strikes you as someone who doesn't pay any attention to the news, she's likely fine.