Border agents on Wednesday took into custody 834 unaccompanied children illegally crossing the southern border, marking the highest daily total recorded since the Biden administration started releasing such data in March. The data, which was first reported by the Washington Examiner, came on the heels of preliminary Department of Homeland Security (DHS) figures indicating July border crossings by unaccompanied minors would hit an all-time high. Lawmakers from both sides of the aisle have been critical of the Biden administration for setting policies that they say are fueling the border surge. The report drew a critical comment from Sen. Tom Cotton (R-Ark.), who wrote in a tweet: “Biden’s open border policy is a disaster.” Members of the Biden administration have pushed back on the claim that their policies are what’s driving the trend, blaming seasonal factors, unaddressed “root causes” in home countries that drive people to flee their homes, and what DHS Secretary Alejandro …