Susan Rice Tweets ‘Me’ When Asked Who Could Challenge Maine Sen. Susan Collins In 2020

(CNN) — Susan Rice, who was President Barack Obama’s national security adviser, caused a stir Friday afternoon when she tweeted “Me” when another former Obama official asked who could challenge Sen. Susan Collins in 2020.
The short tweet — which came less than an hour after Collins, a Maine Republican, announced she would vote to confirm Brett Kavanaugh to the Supreme Court — caught national and state Democrats by surprise.
Rice tweeted a little later that she