Complete Headline: 'Our family and hearts expanded with Aidan’s arrival. We are blessed': Chelsea, Hillary and Bill all post adorable Twitter pictures of Sunday cuddles with the latest addition to their family Bill and Hillary Clinton met their grandson Aidan for the first time on Saturday then visited on Sunday Hillary looked serious, had an aide carrying her $3,500 Ralph Lauren bag which was packed with files The little boy, Chelsea's second child with husband Marc Mezvinsky, is named Aidan Clinton Mezvinsky Chelsea tweeted the news on Saturday morning, on Sunday she shared the first photo of Aidan on Twitter...