Yes, Trump can revoke national monuments

Interior Secretary Ryan Zinke has finally completed a months-long review of dozens of controversial national monuments, recommending major changes to 10 monuments, including shrinking six and relaxing regulation of the other four. Before the specific recommendations became public, the president’s opponents were already threatening lawsuits, claiming the president has no authority to change existing monuments. With the recommendations now public, it is only a matter of time before the litigation floodgates open. Everyone should take a deep breath.,,,  Nothing in the Antiquities Act forbids the president from revoking or shrinking a national monument. And the theory is belied by history: Seven presidents have shrunk national monuments, including President William Howard Taft, who reduced the Navajo National Monument by nearly 90 percent. click here to read the op-ed 12:10