The House of Representatives’ socialist “Squad” could soon start looking more like a platoon. With a wave of far-left candidates winning recent Democratic primaries across the country, the radical group is certain to expand — and wield far greater influence — after the November elections, critics say. The Squad will likely go from seven current members to 14. Two virtually guaranteed additions after the midterms are, like “Squad” founder AOC, from the Big Apple. Claire Valdez — who vowed to implement nationwide rent control if elected to Congress — easily won the primary in June for New York’s 7th House...