As President Donald Trump prepares to deport millions of immigrants in the country illegally, a new national study shows undocumented workers pump billions of dollars into Connecticut’s economy each year. The New American Economy, a coalition of mayors and business leaders who support “sensible” immigration reform, found that the nearly 130,000 undocumented Connecticut residents pay $397 million in annual federal, state and local taxes, account for $3.1 billion in household income and represent $2.7 billion in spending power. “This research proves what we’ve known for years: Immigrants are a boom to our local economy and in every community in America,”...