Former President Donald Trump announced that he will be endorsing former Navy SEAL Tim Sheehy in the Montana GOP Senate primary rather than Republican Rep. Matt Rosendale, just hours after the congressman announced his campaign on Friday. Rosendale launched his second bid against Democratic Sen. Jon Tester after losing by 3.5 points in 2018, and he touted his support of the former president in his announcement video while taking several shots at Sheehy. After receiving endorsements from both Republican candidates, Trump threw his support behind the former Navy SEAL, who was recruited by the Na…