Air of unpredictability as new Obama-McConnell relationship begins

By Steve Holland WASHINGTON (Reuters) - President Barack Obama and Senate Republican leader Mitch McConnell are warily looking for areas of agreement as they begin a new chapter in a relationship that is likely to remain frosty but businesslike. With both men trying to position their parties for 2016 elections to choose a successor to Obama, the president and the Senate majority leader will need to find ways to work together if they want to overcome legislative gridlock and reach agreements on t