the hot topics sunday on twitter. here's errol barnett. >> president trump began his day reminding supporters he still intends to repeal and replace obamacare, despite being defeated the first time around. he tweeted talks will continue "until a deal is hopefully struck." meanwhile, senate majority leader mitch mcconnell predicted a win for the president when his cpreme court nominee faces senate confirmation. >> neil gorsuch will be confirmed this week. how that happens really depends on our democratic friends. >> democrats are in no mood to cooperate, and may filibuster the vote, which could delay it indefinitely. to maneuver around that, mcconnell would need to permanently change senate rules, a so-called "nuclear option" the president supports. >> look, when a nominee doesn't get 60 votes, you shouldn't change the rules, you should change the nominee. >> the senate is also gearing up for closed door interviews with witnesses in its investigation into russian election interference.