Welcome back. If it's Tuesday, voters are voting somewhere. And today, that somewhere is Tennessee's seventh congressional district.Republican Matt Vaneps and Democrat Afton Bean are competing in a special election for a seat held by former Representative Mark Green, who retired earlier this year. Hoping to build on the momentum from last month's elections victories, Democrats see an opportunity to put up a strong challenge in this deep red district. Republicans appear to be feeling the heat.Speaker of the ...