Dan Shapiro says he hoped to provide 'some balance' to tour; US congresswoman wanted to sit down with security officials, MKS, source says

Preferring to stand in Jewish state's corner, White House allows Egypt and UN to fill vacuum as mediators during Gaza conflicts in break from traditional policy

Analysts say Pompeo's support for PM's preelection vow contradicts administration's declared goal of negotiating a deal; some expect Trump to shelve plan indefinitely