The south facade of the White House will undergo a dramatic change this week: the historic Jackson Magnolia, a tree that has been in place since the 1800s, is scheduled to be cut down and removed. The enormous magnolia, one of three on the west side of the White House and the oldest on the White House grounds, extends from the ground floor, up past the front of the windows of the State Dining Room on the first floor and beyond the second-level executive residence. The tree has had a long and storied life, yet has now been deemed too...