Introduced as a potential 2020 presidential primary contender, the Massachusetts Democrat took aim at President Donald Trump, casting him as the product of a rotten system rather than an outlier or fluke and saying his administration fit a decades-old pattern of self-dealing in Washington.

Warren's plan, which would impose a lifetime ban on appointed officials from taking lobbying jobs, is dead on arrival in a Republican-controlled Congress. But it is likely to influence the talking points of other Democrats and, should she run for higher office in 2020, be a staple of her campaign pitch.