The Florida Senator has received 15 of his 19 lawmaker supporters in the lats two months.
New Jersey Gov. Chris Christie took several shots at Sen. Ted Cruz (Texas) on Tuesday, suggesting the Republican presidential rival is weak on national security.
Trump said he would give the amount to wounded soldiers or veterans.
Cruz is linking his 2016 rival to Hillary Clinton on Libya.
"Yes, anyone who wants contraceptives can access them," he said.
James Comey is the pivotal figure in the 2016 race that no one is talking about.
Julian Hattem 11/30/15 09:58 PM EST
More Clinton emails were released by the State Department as part of a court order.
Both are highlighting the civil rights movement as they compete for the African-American vote.
Cain linked Trump with the principles of the nation’s founding.
Cruz argued that "the overwhelming majority of violent criminals are Democrats" during a Monday interview.