Marilyn,
There is an amount on line 6a. Since this Social Security income in not taxable (according to the Turbo Tx software & from what I can gather reading about non-taxable SS), there is a zero on line 6b. Either Turbo Tax incorrectly determined my SS is not taxable, or there is a flaw in the Two-Year Comparison & also the same flaw in the screen after you e-file that gives a historical analysis where the untaxed Social Security income is also missing. I have already e-filed my Fed return & am growing concerned.
