Calvin College in Grand Rapids Michigan simulcasts a different lecture from 10:30 to 11:30 a.m., every weekday of its winter break. The simulcasts continue through Tuesday, Jan. 28; free. Visit calvin.edu/january/2014/
for details of speakers and topics. They include Olympia Snowe on how to fix the stalemate in Congress; Linda Smith on child prostitution in the U.S.; ESPN founder Bill Rasmussen on sports broadcasting; and Anne Zaki on the Arab Spring.