Patricia Heaton — who won an Emmy for her work on "Everyone Loves Raymond" — is taking sides in the stem-cell research debate. She’s put herself on the opposite side of Michael J. Fox, the much-beloved actor who’s been battling Parkinson’s disease since 1991 and is a firm supporter of embryonic stem-cell research. Heaton is now appearing in a commercial intended to persuade Missouri voters to vote against Amendment 2 on their ballot. Fox, in his own commercial, urges voters to support the measure and Democrat Claire McCaskill, who is running for U.S. Senate against the incumbent, Jim Tenant, a...