An excellent online audio series for the questioning Jew

Da Ma Shetashiv - Series by Harav Aaron Lopiansky

Harav Aaron Lopiansky is Rosh Yeshiva of the Yeshiva Gedola of Greater Washington. "Da Me Shetashiv" is a series of weekly shiurim aimed at helping the observant Jew address the numerous questions and challenges he is bound to face in the modern workplace.  The shiur focuses on hashkafa and delves into many of the fundamental concepts of Judaism that may have been glossed over in a traditional religious education. Rav Lopiansky's breadth of knowledge on the widest array of topics in both Limudei Kodesh and Limudei Chol, make this series all the more inspiring and fascinating.

 This can be found here http://www.torahdownloads.com/c-31-da-ma-shetashiv.html . Remarkably nuanced & intellectually honest, they explore fundamental Torah issues clearly and would be useful for questioning frum people.

Hat Tip: Ariel Segal