Republicans lack agreement on Obamacare ahead of Trump speech

By David MorganWASHINGTON (Reuters) - The White House and Congress lacked agreement on a plan to repeal and replace Obamacare on Tuesday amid signs of growing Republican division on the issue, as President Donald Trump prepared to address lawmakers about his 2017 agenda.Republicans, who control the White House and Congress, are in agreement in their opposition to former Democratic President Barack Obama's signature healthcare law but the details are proving knotty.House of Representatives Speake