

When the Republican Senator Lindsey Graham of South Carolina introduced a bill this month to ban abortions nationwide after 15 weeks, Democratic fund-raisers expected it to dominate news outlets like MSNBC, bringing small-dollar donations for candidates. But they did not anticipate that cable news networks, overtaken by the death of Queen Elizabeth II on Sept. 8, would relegate politics to an afterthought for more than a week in favor of ancient rituals, Grenadier Guards and the monarch’s corgis.

The Walt Disney Co. and the Motion Picture Association are joining Comcast, AT&T and others in halting political contributions to House and Senate lawmakers who voted to reject the certification of electoral votes for Joe Biden.

Comcast, AT&T, Hallmark and Facebook are joining the list of companies that are rearranging their political contributions and business relationships to distance themselves from President Trump and the G.O.P. the week after supporters of the president rioted at the U.S. Capitol.