Meaning: The quote "John McCain has become the de facto running mate of George W. Bush" by journalist Mark Shields is a commentary on the 2000 United States presidential election, specifically the relationship between the Republican presidential nominee George W. Bush and his primary rival John McCain. The term "de facto running mate" suggests that McCain was playing a role similar to that of a vice-presidential candidate, despite not being officially chosen as such. This quote is significant because it reflects the alliance that developed between Bush and McCain during the election campaign, as well as the impact of that alliance on the race for the presidency.

The 2000 Republican presidential primary was a contentious and closely watched contest. George W. Bush, the Governor of Texas, was the frontrunner for the Republican nomination, but he faced a strong challenge from Arizona Senator John McCain. McCain's campaign gained attention for its maverick style and his appeal as a political outsider. Despite initial setbacks, McCain's campaign gained momentum with victories in key primary states, leading to a protracted primary battle between the two candidates.

During the primary campaign, McCain and Bush engaged in spirited debates and public disagreements on various policy issues. However, after Bush secured the Republican nomination, he made efforts to bring McCain into the fold and unify the party. This included offering McCain a prominent role at the Republican National Convention and seeking to incorporate some of McCain's policy positions into his own platform.

Mark Shields' characterization of McCain as the "de facto running mate" of Bush encapsulates the perception that McCain's influence and involvement in the campaign went beyond that of a typical primary rival. While McCain was not officially named as Bush's running mate, his support and cooperation were crucial for the party's unity and the broader goal of winning the general election. McCain's endorsement of Bush and his active participation in the campaign signaled a level of unity and collaboration that echoed the dynamics of a traditional running mate relationship.

In the context of the 2000 presidential election, the quote sheds light on the strategic and symbolic significance of McCain's role in the Republican campaign. McCain's appeal as a political maverick and his efforts to reform campaign finance and reduce the influence of special interests resonated with a broad spectrum of voters. By aligning himself with Bush and actively supporting the Republican ticket, McCain helped to bridge the gap within the party and attract independent and moderate voters who were drawn to his reformist message.

Furthermore, the quote also underscores the impact of McCain's endorsement and involvement on the outcome of the election. In the general election, Bush and his Democratic opponent, Al Gore, were locked in a fiercely contested race. The support of McCain and his ability to rally his own base of supporters behind Bush played a crucial role in the Republican victory. McCain's efforts to reach across party lines and appeal to independent voters complemented Bush's campaign strategy, contributing to the narrow but decisive win in the electoral college.

In conclusion, Mark Shields' quote about John McCain becoming the de facto running mate of George W. Bush encapsulates the unique dynamics of the 2000 Republican presidential campaign. It reflects the strategic alliance between the two candidates, the unification of the party, and the impact of McCain's support on the outcome of the election. This quote serves as a reminder of the pivotal role played by McCain in shaping the narrative and outcome of the election, as well as the broader dynamics of political alliances and collaboration in presidential campaigns.