Celebrity PSAs are a familiar sort of territory, but there is no PSA quite like the one Samuel L. Jackson recently issued during his Jimmy Kimmel Live! interview on Tuesday night. The actor appeared on host Jimmy Kimmel's late-night show, with both celebs speaking over a video call from the comfort of their respective homes. [caption id="attachment_885300" align="alignright" width="360"] Image via Jimmy Kimmel Live/ABC[/caption] After Jackson gave updates on his current situation, including how it's going staying at home and encouraging folks to donate to the charity Feeding America, the actor treated …