DETROIT — Political leaders, academic experts, survivors and student activists convened virtually for day two of the Michigan Gun Violence Prevention Summit to discuss progress the state has made in gun-violence legislation and what more is needed. Michigan’s new “red flag law,” which allows judges to order law enforcement to temporarily confiscate firearms from people they deem a risk to themselves or others, takes effect Feb. 13. The legislation was signed last spring. Michigan is the latest of 21 states that allow extreme risk protection orders as a way to remove firearms from the hands of …