China newspaper ad salutes Tiananmen mothers By Lindsay Beck Mon Jun 4, 12:04 PM ET An advertisement saluting mothers of students and workers killed in the 1989 Tiananmen Square crackdown appeared in a newspaper in southwest China on Monday, two witnesses said, in a rare public criticism of the massacre. The advertisement, in the lower right corner of page 14 of the Chengdu Evening News, read: "Paying tribute to the strong mothers of June 4 victims," two local residents who saw it told Reuters. Police are investigating how the advertisement got into the newspaper, one local resident who requested anonymity...