"the new light aircraft carrier the US Navy is planning " - they're not planning one WEBF - they're carrying out yet another comparative study - there are enough previous ones published so why they are bothering is beyond me
and don't crow too soon - many RN designs have issues that rear their heads later - T45's for example - and what did go wrong with the "Audacious"? 2 years late in sea trials and all sorts of rumours about something major not working