At least five have declined to participate, the latest sign that the national 250th birthday celebration has become a fragmented and partisan affair as the president seeks his imprint.
Democrats and voting-rights groups have challenged the proposed rule as a harmful federal intrusion that could affect millions of voters who cast their ballots by mail.
A security guard in New York cooling down during a hot day last summer. This week will bring the year’s first widespread dose of summerlike heat and humidity to the city.