If the Senate splits 50-50, here’s who wields power

WASHINGTON (MEDIA GENERAL) — Republicans’ grip on power in the U.S. Senate appears to be loosening one finger at a time, as GOP candidates in blue and purple states slip below their opponents in the polls.
Democrats need to pick up four states – an achievable proposition this cycle – in order to pull even with Republicans, who currently hold 54 seats.
To keep from plunging into the abyss of insignificance, leaders on the right are plotting a way forward in the event that