Group 1 - The core viewpoint of the article is that President Trump has indicated that Vice President Vance is the most likely successor for the Republican presidential candidate in 2028, marking the clearest statement to date regarding Vance's potential candidacy [1][2] - Trump suggested that Vance could potentially team up with Secretary of State Rubio for a future campaign, highlighting the strategic alliances that may form within the party [2] - Despite the 2028 election being several years away, Trump's influence among Republican grassroots voters means that his endorsement of any potential candidate could have significant implications [2]