This Sept. 4 marks 1,000 days that former Canadian diplomat Michael Kovrig and entrepreneur Michael Spavor have been jailed in China in apparent retaliation for the detention of Huawei executive Meng Wanzhou in Canada. To mark this grim milestone, The Globe and Mail is inviting readers to send us hard copy or digital letters that we will forward to the Chinese embassy in Ottawa. These messages may also be featured in our 1,000 days in detention coverage. Let’s show the [two Michaels](https://www.theglobeandmail.com/politics/article-senator-warns-china-might-not-free-spavor-and-kovrig-in-meng-deal-if/) that Canadians have not forgotten about them. [Throughout their detention,](https://www.theglobeandmail.com/politics/article-michael-kovrig-michael-spavor-canadian-detainees-china-explainer/) Mr. Kovrig and Mr. Spavor were interrogated in...