Spirit Airlines and Frontier announced they were together. Now JetBlue is speaking up.

<p><span style="font-weight: 400">A bidding war may be taking off in the airline industry. In February, Spirit Airlines and Frontier announced a merger – two budget carriers becoming one. JetBlue has stepped in, saying it wants to buy Spirit instead and has the superior offer. A law that requires diversity on corporate boards has been coming under more scrutiny. </span></p>