Sanders scrambles to keep pace with Clinton (Politico)
Trump and Cruz shift to trench warfare (Politico)
Gingrich: Brussels ‘validates’ Trump’s campaign (The Hill)
Obama goes after Cruz for urging patrols of Muslim neighborhoods (The Hill)
Trump says Muslims ‘not reporting’ terror activity (AFP)
Supreme Court faces 4-4 split in Obamacare contraception case (Reuters)
Sanders: Arizonans waiting 5 hours to vote is ‘a disgrace’ (CNN)
Don’t forget Paul Ryan said he would support Donald Trump as the GOP nominee (Washington Post)