Wall St Week Ahead-U.S. broadcasters in line for political ad windfall

Local TV companies such as Sinclair Broadcast Group and Gray Television are set for a significant political advertising boost this year as candidates and special interest groups are spending heavily to woo voters in mid-term elections. Demand for commercial airtime is particularly strong ahead of elections for one third of the U.S. Senate seats, and all 435 House of Representatives seats as well as positions such as state governors