UMBC political science professor Thomas F. Schaller commented on the high profile that recent ex-presidents are assuming in public affairs and politics in an AP story that appeared on NPR this week, In “Ex-Presidents Club: Lots of life after White House,” Schaller says that “the opportunities are greater” for ex-presidents who want to remain engaged after their time in office. He points to the globalization of politics and increased collaboration among current and former leaders, such as the Clinton-Bush partnerships to aid victims of Hurricane Katrina and the tsunami in Indonesia. For more detail, read “The Contemporary Presidency: Postpresidential Influence …