Joe Exotic has written to Donald Trump from jail begging to be released — and pitched for a role in his new cabinet. RadarOnline.com can exclusively reveal the Tiger King star, 61, is determined to prove his innocence and secure an early release from Fort Worth prison in Texas. What’s more, he’s hoping Trump, 78, can trigger a pardon, with Exotic admitting he was “scared as hell” of Democrat Kamala Harris, 60, becoming president. Revealing the letter to RadarOnline.com, Exotic wrote: “A lot of people went to bat for you in 2021 who have been living in hell ever since then. “Everyone hopes you …