2020 Daily Trail Markers: Republican rivals consider challenging Trump in 2020 Republican rivals hoping to challenge President Trump in the 2020 election have just a few more months to declare their intentions. With state deadlines this fall, the news of former Ohio Gov. John Kasich's upcoming visit to New Hampshire has fueled speculation he may be considering entering the race. CBS News 2020 campaign reporter Nicole Sganga joins CBSN for Wednesday's edition of 2020 Daily Trail Markers.