I don't recall seeing any Southern editorials or comment regarding Kansas and its admission as a free state. By 1860 nearly all the Southern families who had gone there to influence the entry of Kansas as a slave state had left, the result on January 29th being a foregone conclusion.
Not that many noteworthy events from late January through early April of 1861. Following the election of Abraham Lincoln and the secession of the Deep South states, the next "tipping point" was Lincoln's call for troops following Fort Sumter in mid-April 1861.