pressed on the g greform debate. theeresident saying he can t do it alone,hoping, quote, rational republicans will helpp what we re now learnrnrn about bipapaisan talksnder way over the holiday weekend. he dangerous tornado threat. reports just coming in o tornadoes on the grorod in minnesota. watches in effect across several states. possible strong, long track twisters, dadaging winds and large hail.. and tracking the firststst hurre of t t seasoso in the easasrn pacific. ginger zee stataing by. badeather and air traffic control issues canceling more than1,000 flights over the memorial day weekend. ononof the busieie travel weekends in more than two years. overseas tonight, r rsian and ukrainian forces battling block by block for control of a key city innhe easternrn donbas region. thousands of civilians f fced to nene about a french journrnist killed. and presidentid ben n owukrarae for long r rge rocket systems capable of hitting targets in russia. > the world s most