Cookie Monster isn't the only Muppet Casey attempted to appeal to Monday. The Democrat also tried capturing the attention of Big Bird, Bert, Ernie, Grover and Oscar the Grouch. "Hey @BertSesame ...

We grew up loving Cookie Monster, Big Bird, Elmo, Bert and Ernie — the whole gang. Chances are, your kids love them, too. That said, we have to tell you about the most adorable new collaboration.