Arizona Republic:  Columnist Russ Wiles writes “Anyone who has signed a financial-incapacity document has to be squirming a bit over Brooke Astor's estate case.  Her son, Anthony Marshall, recently was convicted of stealing millions of dollars from Astor while she suffered from Alzheimer's disease before her death. Although the case largely centered on a contested will purportedly signed by Astor, other estate-planning issues also came into play.”