Lawmakers seek answers on Andretti's exclusion from Formula 1

A bipartisan group of lawmakers has written to Formula 1's owner Liberty Media demanding answers on the exclusion of Andretti Global from the glitzy sport's starting grid.

The letter, addressed to Liberty Media CEO Greg Maffei, raises concerns about "apparent anti-competitive actions" keeping the team from entering a sport that has found growing popularity in the U.S., which hosts three races on the calendar.

Formula 1, commonly known as F1, officially rejected former American...