Nikki Haley, a former UN ambassador who has staked much of her candidacy on her foreign policy credentials, faulted Biden for pressing Israel to consider humanitarian pauses.
Alongside portraying the former president as a danger to democracy, Christie has singled out another person for criticism: Jared Kushner, Trump’s Jewish son-in-law.
Christie has not fared well in public opinion polling thus far, however. He netted just 1% support from potential Republican primary voters in a Reuters/Ipsos poll in May.
A two-term governor from a Democratic-leaning state, the brash and charismatic Christie was once viewed as a rising Republican star who held rare cross-party appeal.