The promise of America is progress, but that progress stalled for the youngest generation: U.S. workers under age 45 earned dramatically less than workers who were that same age a decade ago, the Federal Reserve Board’s latest survey shows. For Americans 35 through 44, the median household income – the income that falls in the middle of all earners – was $53,900 in 2010. That’s 14 percent less income than in 2001 when households in the 35-44 age bracket were earning $63,000, according to the Fed’s Survey of Consumer Finances released Monday. For young adults in the under-35 age bracket, median income fell to $35,100 in 2010, from $40,900 for that group in 2001. The median income also declined, by…