Source: South China Morning PostYour favourite bubble tea shop may not be serving its signature drink for a while as shipping delays are keeping some retailers from getting the supplies to make the sweet beverage.The shortage started about a month ago, according to Oliver Yoon, the vice-president of sales and global marketing for Boba Direct, a Chicago-based nationwide supplier of bubble tea products. US ports on the East and West Coasts have been overwhelmed for months as consumer spending has increased along with a bevy of…Read More