CARACAS, Venezuela (AP) — The Trump administration’s top diplomat in Venezuela pressed for the release of a jailed Utah man Thursday, saying the case is the main obstacle to improving strained relations between the two countries. Todd Robinson told The Associated Press it is a “tragedy” that Joshua Holt has been imprisoned the past 19 months on what the U.S. considers trumped-up charges. {snip}...Venezuela authorities allege Holt used his wife’s apartment in Caracas to stockpile weapons and have linked him to unspecified attempts by the U.S. to undermine President Nicolas Maduro’s rule amid deep economic and political turbulence. Holt’s family...