DENVER — A mentally ill man charged with killing three people at a Colorado Planned Parenthood clinic in 2015 because it offered abortion services can be forcibly medicated, a federal appeals court ruled Monday. The U.S. Court of Appeals for the 10th Circuit ruling upheld an order issued by a federal judge in 2022 allowing Robert Dear, 66, to be given medication for delusional disorder against his will to try to make him well enough to stand tri…