The fight for the 2016 GOP nomination appears to be moving into a new, more fluid phase.
No longer is the question merely whether or how Donald Trump can be stopped.
22:16 Trump stops holding fundraisers that were raking in big cash for the GOP5
23:47 Amid lagging polls, Trump stops holding high-dollar fundraisers16
22:16 Report: Trump abandons high-dollar fundraisers, leaving the GOP in the lurch9
04:59 Al Smith Charity Dinner Crowd Rains Boos on Donald Trump1