CNN’s Kaitlan Collins pressed House Speaker Mike Johnson on his apparent flip-flopping towards Donald Trump, whom he endorseddespite slamming his “character” during his first presidential run, RadarOnline.com has learned. Johnson appeared to change his stance on Trump’s character after the ex-president supported his bid for House Speaker last year. During Wednesday’s edition of The Source with Kaitlan Collins, the CNN host confronted the House Speaker on his past criticism of Trump. Before Johnson was elected to Congress, he aired his grievances and concerns about Trump being elected to the Wh…