Other known dates for the 2012 tour so far:
June 22 - Jazz Aspen Snowmass Festival.
August 6 - WolfTrap, Vienna, VI - More info here.
August 22 - The Pavilion, Ravinia, Highland Park, IL - More info here.
August 24 - The Lawn at White River State Park, Indianapolis, IN. [Uconfirmed/unofficial]
UPDATE March 22: And here's two more dates in the form of
July 18 - Majestic Theatre, San Antonio, TX. More info here.
August 4 - Count Basie Theater - Red Bank, NJ. More info here.
August 12 - Toronto
August 20 - The Riverside Theater, Milwaukee, WI Official as of March 26. More info here.
UPDATE March 23:
June 25 - Humphreys Concerts By The Bay, San Diego, CA. More info here.
August 23 - Fraze Pavilion, Kettering, OH. More info here.