First Read: “New data provided to NBC News puts the universe of registered voters at 3,326,812 ahead of a hotly contested special Senate election on Tuesday in Alabama. Secretary of State John Merrill, a Republican, has already increased his turnout prediction from 18 to 20 percent last month now to upwards of 25 percent, reflecting the degree to which interest in the contest between Republican Roy Moore and Democrat Doug Jones locally is catching up with national attention.” “But as local election officials prepared for polls to open Tuesday there were indications that turnout could be even higher still, approaching levels in some cases typically seen in midterm general elections.