No one particularly likes taking off their shoes in the airport, but burgeoning wait times in security lines are enough to make almost anyone long to reach the body scanner. On top of outcry about hours-long Transportation Security Administration (TSA) lines at airports nationwide in recent weeks, the head of that agency cautioned last week — just in time for Memorial Day weekend trips — that the wait will be even worse during the peak summer travel season. With accusations of mismanagement flying while authorities scramble to cut wait times down, the situation is as messy as airport screening areas themselves.