The first bid to impeach President Donald Trump was launched on Wednesday, with a California Democrat filing a long-shot attempt to force Mr Trump from office.
Brad Sherman, a Los Angeles area congressman, accused Mr Trump of obstructing investigations into Russian meddling in the 2016 presidential election, in part by firing former FBI Director James Comey.
The move is unlikely to gain momentum, however. Republicans dominate Congress and have so far show no willingness to turn on their president, and Mr Sherman does not even have the backing of many fellow Democrats.
The 62-year-old acknowledged that filing the article is "the first step on a very long road."
"But if the impulsive incompetency continues, then eventually - many, many months from now - Republicans will join the impeachment effort," he said in a statement.
Democratic leaders have distanced themselves from the efforts to impeach, believing it serves only to energise the president's supporters.
Mr Sherman's resolution has one co-sponsor, fellow Democrat Al Green of Texas.